Home » Public Forums » GMCnet » ELECTRIC CHOKE
| ELECTRIC CHOKE [message #67519] |
Tue, 15 December 2009 15:05  |
Michael Bozardt
Messages: 367
Registered: January 2007
Location: College Station, Texas
Karma: 1
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I received an electric choke for my 455 without any instructions.
Would those of you who have installed one or have the instructions on how to do it please send them to me or show me a web site where I can download a copy......Thx,
Michael at GEMRECS
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| Re: [GMCnet] ELECTRIC CHOKE [message #67556 is a reply to message #67534] |
Tue, 15 December 2009 18:13  |
Michael Bozardt
Messages: 367
Registered: January 2007
Location: College Station, Texas
Karma: 1
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Rob, It is like the one Steve shows in the photos in this thread. Looks pretty simple from the photos, however I got an email that said it is a problem with hot starts?? Comments??
Part is from HYGRADE, called thermostat, part #CV329.
Thx, Michael
| Robert Mueller wrote on Tue, 15 December 2009 16:03 |
Michael,
Can you provide any more information on the choke such as who made it and
the part number?
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Michael Bozardt
Sent: Wednesday, 16 December 2009 8:06 AM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] ELECTRIC CHOKE
I received an electric choke for my 455 without any instructions.
Would those of you who have installed one or have the instructions on how to
do it please send them to me or show me a web site where I can download a
copy......Thx,
Michael at GEMRECS
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[Updated on: Tue, 15 December 2009 18:15] Report message to a moderator |
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| Re: [GMCnet] ELECTRIC CHOKE [message #67558 is a reply to message #67556] |
Tue, 15 December 2009 18:29 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Michael,
I have one like the one in Steve's pictures on Double Trouble that receives
power whenever the ignition switch is in the ON position.
I have heard the same problem as you note below so bought one like this:
The NAPA 2-1603 is excellent, and I prefer it to any manual choke. It uses
an electronic sensor bolted under an intake bolt to detect engine heat. It
fits over the thermostat can on the carb and actuates the choke spring
directly. It works better than the stock thermostat and MUCH better than the
electric heater. It applies choke when the engine is cold and doesn't apply
it when it is hot, including backing off the high idle cam smoothly.
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Michael Bozardt
Sent: Wednesday, 16 December 2009 11:14 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] ELECTRIC CHOKE
Rod, It is like the one Steve shows in the photos in this thread. Looks
pretty simple from the photos, however I got an email that said it is a
problem with hot starts?? Comments??
Thx, Michael
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] ELECTRIC CHOKE [message #67572 is a reply to message #67558] |
Tue, 15 December 2009 20:56 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Rob,
I tired that number at our local NAPA and it is no longer being produced.
Mike,
Occasionally, it does have a problem with hot starts so I turn on the
key for a second or two before cranking. Not many options here. I
also set it a bit lean so even if it does close prematurely, flooring
the accelerator pedal provides enough air flow for a quick start.
On Tue, Dec 15, 2009 at 4:29 PM, Rob Mueller <robmueller@iinet.net.au> wrote:
> Michael,
>
> I have one like the one in Steve's pictures on Double Trouble that receives
> power whenever the ignition switch is in the ON position.
>
> I have heard the same problem as you note below so bought one like this:
>
> The NAPA 2-1603 is excellent, and I prefer it to any manual choke. It uses
> an electronic sensor bolted under an intake bolt to detect engine heat. It
> fits over the thermostat can on the carb and actuates the choke spring
> directly. It works better than the stock thermostat and MUCH better than the
> electric heater. It applies choke when the engine is cold and doesn't apply
> it when it is hot, including backing off the high idle cam smoothly.
>
> Regards,
> Rob Mueller
> Sydney, Australia
> AUS '75 Avion-The Blue Streak TZE365V100428
> USA '75 Avion-Double Trouble TZE365V100426
>
>
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org
> [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Michael Bozardt
> Sent: Wednesday, 16 December 2009 11:14 AM
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] ELECTRIC CHOKE
>
> Rod, It is like the one Steve shows in the photos in this thread. Looks
> pretty simple from the photos, however I got an email that said it is a
> problem with hot starts?? Comments??
> Thx, Michael
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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| Re: [GMCnet] ELECTRIC CHOKE [message #67585 is a reply to message #67573] |
Wed, 16 December 2009 00:30 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Does your electric choke have one wire connection to it or two?
On a one wire choke you need only a +12 connection to it. The ground is obtained through it's mounting to the carb. On this type I suggest yopu also remove the choke mounting gasket to facilitate a good ground.
If you have a HEI ignition then +12 volt can be obtained from the +12 volt connection on the HEI distributor. If you have a points type ignition DO NOT get your +12 volts from the distributor.
If you have a 2 wire choke then the second wire connection goes to ground. This type of choke can also have a heat sensor thermistor wired in series with the wire going to ground. You do not have to have the thermistor in the circuit. It you do not have it then it will perform just like the one wire choke.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] ELECTRIC CHOKE [message #67590 is a reply to message #67572] |
Wed, 16 December 2009 03:48 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Steve,
That must be a recent development as I bought mine from the Napa store in
Humble, Texas in August!
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Steven Ferguson
Sent: Wednesday, 16 December 2009 1:57 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] ELECTRIC CHOKE
Rob,
I tired that number at our local NAPA and it is no longer being produced.
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] ELECTRIC CHOKE [message #67607 is a reply to message #67590] |
Wed, 16 December 2009 07:49 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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I remember that Rob and when you posted the PN, I went straight to
NAPA to get one for the '55. No luck. I did find one from Car Quest
that worked if you modified the heck out of it. (Different diameter
outer plate.)
On Wed, Dec 16, 2009 at 1:48 AM, Rob Mueller <robmueller@iinet.net.au> wrote:
> Steve,
>
> That must be a recent development as I bought mine from the Napa store in
> Humble, Texas in August!
>
> Regards,
> Rob Mueller
> Sydney, Australia
> AUS '75 Avion-The Blue Streak TZE365V100428
> USA '75 Avion-Double Trouble TZE365V100426
>
>
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org
> [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Steven Ferguson
> Sent: Wednesday, 16 December 2009 1:57 PM
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] ELECTRIC CHOKE
>
> Rob,
> I tired that number at our local NAPA and it is no longer being produced.
>
> --
> Steve Ferguson
> '76 EII
> Sierra Vista, AZ
> Urethane bushing source
> www.bdub.net/ferguson/
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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| Re: [GMCnet] ELECTRIC CHOKE [message #67610 is a reply to message #67607] |
Wed, 16 December 2009 08:01 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Steve,
Hmmm, sounds like it's time to set up an eBay search! ;-)
Dennis,
Could you check with the big NAPA warehouse where you took me for the oil
pressure senders?
It's part number NAPA 2-1602
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Steven Ferguson
Sent: Thursday, 17 December 2009 12:50 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] ELECTRIC CHOKE
I remember that Rob and when you posted the PN, I went straight to
NAPA to get one for the '55. No luck. I did find one from Car Quest
that worked if you modified the heck out of it. (Different diameter
outer plate.)
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
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_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] ELECTRIC CHOKE [message #67615 is a reply to message #67610] |
Wed, 16 December 2009 08:46 |
 |
Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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| Robert Mueller wrote on Wed, 16 December 2009 09:01 |
Steve,
Hmmm, sounds like it's time to set up an eBay search! 
Dennis,
Could you check with the big NAPA warehouse where you took me for the oil pressure senders?
It's part number NAPA 2-1602
Regards,
Rob Mueller
|
Rob,
I live near a NAPA warehouse and some business there, so just for kicks I ran 2-1602 (now CBR21602)and they indicate that it is available (for just 62$us). I also went in with an application of a 1973 Toronado and that came back to a CBR21603 (67$us) and also available. I think it isn't time to panic - yet.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] ELECTRIC CHOKE [message #67624 is a reply to message #67615] |
Wed, 16 December 2009 10:54 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Senior Member |
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I did some digging on these 2-wire choke thermostats and found other
potential candidates. Since I haven't held these parts in my hands, you need
to verify fit at your end. All of the following numbers are supposed to
include the thermister sensor.
These numbers all were obtained through cross-referencing numbers on the
Niehoff, NAPA, & Bluestreak sites. NAPA shows photos of the parts.
Hygrade Niehoff Echlin
(Carquest) (NAPA)
N/A FS1602 CRB21602
N/A FS1603 CRB21603
EC10 FS1619 CRB21619
N/A FS1658 CRB21658
I also found the 2-wire thermostats on several of the Specialty carb
rebuilder sites. The parts are out there, just need to dig a bit to find
them.
Question: The choke thermostat has 2 terminals. From the photos, I see that
the thermister unit has 4 wires. What is the correct wiring hook-up?
Les Burt
Montreal
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Matt Colie
Sent: December 16, 2009 9:46 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] ELECTRIC CHOKE
Robert Mueller wrote on Wed, 16 December 2009 09:01
> Steve,
>
> Hmmm, sounds like it's time to set up an eBay search! ;)
>
> Dennis,
>
> Could you check with the big NAPA warehouse where you took me for the oil
pressure senders?
>
> It's part number NAPA 2-1602
>
> Regards,
> Rob Mueller
Rob,
I live near a NAPA warehouse and some business there, so just for kicks I
ran 2-1602 (now CBR21602)and they indicate that it is available (for just
62$us). I also went in with an application of a 1973 Toronado and that
came back to a CBR21603 (67$us) and also available. I think it isn't time
to panic - yet.
Matt
--
Matt & Mary Colie
'73 Glacier 23 Chaumiere (say show-me-air)
SE Michigan
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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| Re: [GMCnet] ELECTRIC CHOKE [message #67649 is a reply to message #67624] |
Wed, 16 December 2009 18:05 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| Les Burt wrote on Wed, 16 December 2009 10:54 |
Question: The choke thermostat has 2 terminals. From the photos, I see that
the thermister unit has 4 wires. What is the correct wiring hook-up?
Les Burt
Montreal
|
I am confused with your posting because every choke with thermistor I have seen has two wire connections on the choke heater and only one wire on the thermistor. The thermistor gets mounted on top of the intake manifold under a bolt to sense the temperature and the one wire from it goes to the choke heater. The second wire from the choke heater goes to +12 volts which is usually the HEI distributor or in the case of a points system a wire on terminal "BX" in the terminal block on the front of coach near the isolator. That terminal is where the ignition resistance wire is also attached.
Anyway, I have never seen a 4 wire thermistor for this purpose. Do you have any more info on it?
Ken B.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] ELECTRIC CHOKE [message #67663 is a reply to message #67649] |
Wed, 16 December 2009 21:21 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Senior Member |
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I don't have any more info than the photos on NAPA's site.
I've also found these thermostats on a few of the carb specialist sites and
they also show a multi wire thermister unit. I am also confused since I have
seen a couple of GM related photos that show a single wire unit. That is the
reason for my wiring related question.
Les Burt
Montreal
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Ken Burton
Sent: December 16, 2009 7:06 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] ELECTRIC CHOKE
Les Burt wrote on Wed, 16 December 2009 10:54
> Question: The choke thermostat has 2 terminals. From the photos, I see
that
> the thermister unit has 4 wires. What is the correct wiring hook-up?
>
> Les Burt
> Montreal
I am confused with your posting because every choke with thermistor I have
seen has two wire connections on the choke heater and only one wire on the
thermistor. The thermistor gets mounted on top of the intake manifold under
a bolt to sense the temperature and the one wire from it goes to the choke
heater. The second wire from the choke heater goes to +12 volts which is
usually the HEI distributor or in the case of a points system a wire on
terminal "BX" in the terminal block on the front of coach near the isolator.
That terminal is where the ignition resistance wire is also attached.
Anyway, I have never seen a 4 wire thermistor for this purpose. Do you
have any more info on it?
Ken B.
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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| Re: [GMCnet] ELECTRIC CHOKE [message #67667 is a reply to message #67663] |
Wed, 16 December 2009 22:20 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| Les Burt wrote on Wed, 16 December 2009 21:21 |
I don't have any more info than the photos on NAPA's site.
I've also found these thermostats on a few of the carb specialist sites and
they also show a multi wire thermister unit. I am also confused since I have
seen a couple of GM related photos that show a single wire unit. That is the
reason for my wiring related question.
Les Burt
Montreal
|
I just looked at the 2-1660 and 2-1603 on the NAPA site. I see what you are talking about. I have no idea how to wire that one.
I am assuming it has some sort of a built in relay so you wire it to +12 hot all he time and also to a keyed +12 volts. Having never seen it before I can not be sure I am correct or which wire goes where.
If you are buying one, I would go get a one wire one or eliminate the thermistor all together. I think I bought mine from CarQuest.
I'm sorry that I could not help more.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] ELECTRIC CHOKE [message #67692 is a reply to message #67667] |
Thu, 17 December 2009 10:49 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Senior Member |
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I like the idea of using the thermister, so I'll be shopping for a choke
thermostat with it included in the near future. Whether 1-wire or 4-wire
doesn't concern me as I'm sure there are some instructions included. If not,
I'm pretty good at figuring this stuff out.
I was asking about the wiring for the benefit of everyone as I've noticed
that choke thermostats have been a frequent topic lately. If necessary, I'll
provide additional info when I do my own install.
Les Burt
Montreal
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Ken Burton
Sent: December 16, 2009 11:21 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] ELECTRIC CHOKE
Les Burt wrote on Wed, 16 December 2009 21:21
> I don't have any more info than the photos on NAPA's site.
>
> I've also found these thermostats on a few of the carb specialist sites
and
> they also show a multi wire thermister unit. I am also confused since I
have
> seen a couple of GM related photos that show a single wire unit. That is
the
> reason for my wiring related question.
>
> Les Burt
> Montreal
I just looked at the 2-1660 and 2-1603 on the NAPA site. I see what you
are talking about. I have no idea how to wire that one.
I am assuming it has some sort of a built in relay so you wire it to +12 hot
all he time and also to a keyed +12 volts. Having never seen it before I
can not be sure I am correct or which wire goes where.
If you are buying one, I would go get a one wire one or eliminate the
thermistor all together. I think I bought mine from CarQuest.
I'm sorry that I could not help more.
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 9.0.716 / Virus Database: 270.14.110/2568 - Release Date: 12/16/09
03:02:00
_______________________________________________
GMCnet mailing list
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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