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Good Pickup Point for 12V Accessory Power ?? [message #293304]

Fri, 01 January 2016 19:34

SteveW

Messages: 538
Registered: June 2005
Location: Southern California - Ora...

Karma: 1

Senior Member

Greetings and Happy New Year !

I've got a few devices to power via "accessory" power and I'd like to install a small (fused) distribution block...

My idea is to have this distribution block powered from an existing accessory power source.

Can anyone recommend a good pick-up point ??

Is a "round Tapper Kit" advisable... sure seems easy.

http://www.gmcmhphotos.com/photos/data/500/fuse_tap_glass.jpg

Thanks in advance,

Steve W
1973 23'
Southern Califoria

Steve W 1973 : 23' Southern California

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Re: Good Pickup Point for 12V Accessory Power ?? [message #293312 is a reply to message #293304]

Fri, 01 January 2016 21:14

tphipps

Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL

Karma: 9

Senior Member

A very easy to pick up 12v only while engine is running is using the yellow wire in the resistor block controlling the fan in the AC Heater compartment. It is located on the driver side. Cut the wire and use it to trigger one of the very common 12v automotive relays. Use the relay to carry 12v to your added fuse panel. My coach has aux battery in engine compartment. That is where I picked up the 12v. This des not drain the engine battery while in use.
I installed your standard 12v auto receptacle in the passenger side arm rest. There is enough room in the arm rest to install 2 of these easily. Beats having "extension cords" hanging from the dash.
Tom, MS II

2012 Phoenix Cruiser model 2552 KA4CSG

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Re: [GMCnet] Good Pickup Point for 12V Accessory Power ?? [message #293313 is a reply to message #293312]

Fri, 01 January 2016 21:44

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

And
And
I hate fuses,
If you du this label eveery single wire you touch
Here is what I do
http://www.gmcmhphotos.com/photos/power-distribution-using-circuit-breakers/p35548-power-distribution-using-circuit-breakers.html

On Friday, January 1, 2016, Thomas Phipps wrote:

> A very easy to pick up 12v only while engine is running is using the
> yellow wire in the resistor block controlling the fan in the AC Heater
> compartment. It is located on the driver side. Cut the wire and use it
> to trigger one of the very common 12v automotive relays. Use the relay to
> carry 12v to your added fuse panel. My coach has aux battery in engine
> compartment. That is where I picked up the 12v. This des not drain the
> engine battery while in use.
> I installed your standard 12v auto receptacle in the passenger side arm
> rest. There is enough room in the arm rest to install 2 of these easily.
> Beats having "extension cords" hanging from the dash.
> Tom, MS II
>
> --
> 1975 GMC Avion
> KA4CSG
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
_______________________________________________
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Re: Good Pickup Point for 12V Accessory Power ?? [message #293316 is a reply to message #293304]

Fri, 01 January 2016 23:00

SteveW

Messages: 538
Registered: June 2005
Location: Southern California - Ora...

Karma: 1

Senior Member

Hiya Gene - Happy New Year !!!!

I heard that I missed some fun times at your place recently... Manny, Dave, et al with your supervision...

Thanks for the electrical pictures. I'm gonna get the same result using a fuse box populated with these:

http://www.gmcmhphotos.com/photos/data/500/circuit_breaker_fuse.jpg

I was thinking about just using an existing accessory circuit to power up the fuse box - but now i think I'll use a relay as you suggest.

Will we see you at the Lake Havasu Hot Air Balloon Festival rally ??

All good in SoCal,
Steve W

Steve W 1973 : 23' Southern California

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Re: Good Pickup Point for 12V Accessory Power ?? [message #293320 is a reply to message #293304]

Sat, 02 January 2016 06:26

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

SteveW wrote on Fri, 01 January 2016 20:34

Greetings and Happy New Year !

I've got a few devices to power via "accessory" power and I'd like to install a small (fused) distribution block...

My idea is to have this distribution block powered from an existing accessory power source.

Can anyone recommend a good pick-up point ??

Is a "round Tapper Kit" advisable... sure seems easy.
http://www.gmcmhphotos.com/photos/data/500/fuse_tap_glass.jpg

Thanks in advance,

Steve W
1973 23'
Southern California

Steve,

Please seriously consider what you want to run on "Accessory" power. All of that power comes from the main engine start battery. Even though you have 3 batteries, that is not one you want dead.

What I did was to add a fuse panel next to the original chassis panel (behind the glove compartment) and pick up the power from the House Bank that you also have in the right front. That is where I now get power for the radios (Stereo, Cell Repeater and at one time a marine VHF [for work] and a CB -now gone) and two ea. DC mouseholes.

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: Good Pickup Point for 12V Accessory Power ?? [message #293329 is a reply to message #293304]

Sat, 02 January 2016 09:14

kerry pinkerton

Messages: 2565
Registered: July 2012
Location: Harvest, Al

Karma: 15

Senior Member

Just goes to show that you can learn something new every day. I've messed with old cars and such for 50+ years and frequently had to find power to run something or the other. Until today, I had never heard of a 'fuse tap.' What a great idea!

Kerry Pinkerton - North Alabama Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L

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Re: [GMCnet] Good Pickup Point for 12V Accessory Power ?? [message #293330 is a reply to message #293320]

Sat, 02 January 2016 09:17

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

On Saturday, January 2, 2016, Matt Colie wrote:

> SteveW wrote on Fri, 01 January 2016 20:34
>> Greetings and Happy New Year !
>>
>> I've got a few devices to power via "accessory" power and I'd like to
> install a small (fused) distribution block...
>>
>> My idea is to have this distribution block powered from an existing
> accessory power source.
>>
>> Can anyone recommend a good pick-up point ??
>>
>> Is a "round Tapper Kit" advisable... sure seems easy.
>> http://www.gmcmhphotos.com/photos/data/500/fuse_tap_glass.jpg
>>
>> Thanks in advance,
>>
>> Steve W
>> 1973 23'
>> Southern California
>
> Steve,
>
> Please seriously consider what you want to run on "Accessory" power. All
> of that power comes from the main engine start battery. Even though you
> have 3 batteries, that is not one you want dead.
>
> What I did was to add a fuse panel next to the original chassis panel
> (behind the glove compartment) and pick up the power from the House Bank
> that
> you also have in the right front. That is where I now get power for the
> radios (Stereo, Cell Repeater and at one time a marine VHF [for work] and a
> CB -now gone) and two ea. DC mouseholes.

Nah too old to do any thing under there
Go here and get from the boost switch
http://www.gmcmhphotos.com/photos/data/6225/How_to_check-out1.pdf

> Matt
> --
> Matt & Mary Colie - Members GMCMI, GMCES
> '73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: Good Pickup Point for 12V Accessory Power ?? [message #293337 is a reply to message #293304]

Sat, 02 January 2016 12:03

Carl S.

Messages: 4186
Registered: January 2009
Location: Tucson, AZ.

Karma: 13

Senior Member

Steve,

I used that exact same type of fuse tap to run power top my backup camera and monitor. It worked very well and made for an easy, clean installation.

Carl Stouffer '75 ex Palm Beach Tucson, AZ. Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member

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Re: Good Pickup Point for 12V Accessory Power ?? [message #293339 is a reply to message #293304]

Sat, 02 January 2016 12:14

SteveW

Messages: 538
Registered: June 2005
Location: Southern California - Ora...

Karma: 1

Senior Member

Matt - good call - I'm thinking air compressor, aux vacuum pump, electric wipers, electric choke, and some cool LED trim rings around my headlights...

Most of that is already on acc power - I just want cleaner circuitry.

Kerry - glad I could show you something... your posts here have certainly helped me tremenduously.

Thanks Carl. Thanks Jerry. Thanks Gene. Thanks Tom.

Steve W

Steve W 1973 : 23' Southern California

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Re: Good Pickup Point for 12V Accessory Power ?? [message #293375 is a reply to message #293304]

Sun, 03 January 2016 17:00

zhagrieb

Messages: 676
Registered: August 2009
Location: Portland Oregon

Karma: 0

Senior Member

The problem with these automatic resetting breakers is just that. In the event of an overload the breaker will heat up and trip but after it cools down it will reset. It will keep doing this forever. This could cause your short to result in a fire. Probably why cars still rely mainly on fuses. If you favor breakers go for the manual resetting type.

Glenn Giere, Portland OR, K7GAG '73 "Moby the Motorhome" 26'

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