| [GMCnet] Cruise control [message #362085] |
Fri, 29 January 2021 15:34  |
RainbowRoadie77
Messages: 19
Registered: October 2020
Location: Portland, OR
Karma: -1
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Junior Member |
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Hello everyone,
Our cruise control button does not work. Any suggestions, on where to start?
Thanks,
RaeRae and family
1977 Eleganza ll (455)
Portland, Oregon
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RaeRae & Caryn
77 Eleganza II (interior refresh)
Portland, Oregon
Searching for rainbows wherever we go!
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| Re: [GMCnet] Cruise control [message #362089 is a reply to message #362085] |
Fri, 29 January 2021 17:30  |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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RainbowRoadie77 wrote on Fri, 29 January 2021 16:34Hello everyone,
Our cruise control button does not work. Any suggestions, on where to start?
Thanks,
RaeRae and family
Rea,
I had one go bad in the signal stalk. There is no way to disassemble and clean it. You have to pull the steering wheel and the locking place to replace it. If you try, be sure to use the wire to pull a messenger sting into the column to get the new one back in.
I am not sure a replacement is available except as a take out of someone's parts coach unless JimK (aka Nick) has one.
If you know of anybody that has upgraded to a better cruise, there might be one available.
Matt
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] Cruise control [message #362090 is a reply to message #362085] |
Fri, 29 January 2021 18:26 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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Start with connectors plugged in and clean at transducer and brake switch. Check vacuum hose routing and replace as needed. To unit and to pedal switch. Reset cruise switch cancel setting at brake pedal by hand sliding the switch towards the pedal, then pulling up by hand on pedal to automaticity ratchet to self recalibration. Inspect ball chain to throttle. There should be a touch of slack when throttle is closed. Read owners manual as these don’t operate quite like today’s units.
John Lebetski
Woodstock, IL
77 Eleganza II
[Updated on: Fri, 29 January 2021 18:32] Report message to a moderator |
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| Re: [GMCnet] Cruise control [message #362135 is a reply to message #362090] |
Mon, 01 February 2021 00:44 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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JohnL455 wrote on Fri, 29 January 2021 18:26Start with connectors plugged in and clean at transducer and brake switch. Check vacuum hose routing and replace as needed. To unit and to pedal switch. Reset cruise switch cancel setting at brake pedal by hand sliding the switch towards the pedal, then pulling up by hand on pedal to automaticity ratchet to self recalibration. Inspect ball chain to throttle. There should be a touch of slack when throttle is closed. Read owners manual as these don’t operate quite like today’s units.
Here is an off the wall problem I have found on a couple of these that won't engage or intermittently drop out after engagement. The CC unit is mounted to the body of the coach just behind the hatch cover. The CC unit is powered by the engine 12 volt power system but when they mounted the unit it was grounded to the body which is the house 12 volt ground. So the return ground path has to go through couple of jumpers on the back of the trans and another from the body to the frame. After 40 years they deteriorate and then there is no return path back to the engine ground.
The easy way to check and fix this is to disconnect the ground wire on the CC unit. Attach that wire to about a 2 foot new piece of wire. Then attach the other end of the new wire to any bolt on the engine just below the CC unit.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Cruise control [message #362139 is a reply to message #362135] |
Mon, 01 February 2021 12:29 |
RainbowRoadie77
Messages: 19
Registered: October 2020
Location: Portland, OR
Karma: -1
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Junior Member |
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Thanks everyone for your input!
I’m gonna give Ken B’s check/fix a try this weekend
Appreciate all of you!
Rae
On Jan 31, 2021, at 10:45 PM, Ken Burton via Gmclist wrote:
JohnL455 wrote on Fri, 29 January 2021 18:26
> Start with connectors plugged in and clean at transducer and brake switch. Check vacuum hose routing and replace as needed. To unit and to pedal
> switch. Reset cruise switch cancel setting at brake pedal by hand sliding the switch towards the pedal, then pulling up by hand on pedal to
> automaticity ratchet to self recalibration. Inspect ball chain to throttle. There should be a touch of slack when throttle is closed. Read owners
> manual as these don’t operate quite like today’s units.
Here is an off the wall problem I have found on a couple of these that won't engage or intermittently drop out after engagement. The CC unit is
mounted to the body of the coach just behind the hatch cover. The CC unit is powered by the engine 12 volt power system but when they mounted the
unit it was grounded to the body which is the house 12 volt ground. So the return ground path has to go through couple of jumpers on the back of the
trans and another from the body to the frame. After 40 years they deteriorate and then there is no return path back to the engine ground.
The easy way to check and fix this is to disconnect the ground wire on the CC unit. Attach that wire to about a 2 foot new piece of wire. Then
attach the other end of the new wire to any bolt on the engine just below the CC unit.
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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RaeRae & Caryn
77 Eleganza II (interior refresh)
Portland, Oregon
Searching for rainbows wherever we go!
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| Re: [GMCnet] Cruise control [message #362145 is a reply to message #362139] |
Mon, 01 February 2021 14:27 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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There are no guarantys that moving of the ground will fix your problem. It is just I have seen a few with that failure. It could just as likely be some of the other suggestions posted here.
Ken B.
RainbowRoadie77 wrote on Mon, 01 February 2021 12:29Thanks everyone for your input!
I’m gonna give Ken B’s check/fix a try this weekend
Appreciate all of you!
Rae
On Jan 31, 2021, at 10:45 PM, Ken Burton via Gmclist wrote:
JohnL455 wrote on Fri, 29 January 2021 18:26
> Start with connectors plugged in and clean at transducer and brake switch. Check vacuum hose routing and replace as needed. To unit and to pedal
> switch. Reset cruise switch cancel setting at brake pedal by hand sliding the switch towards the pedal, then pulling up by hand on pedal to
> automaticity ratchet to self recalibration. Inspect ball chain to throttle. There should be a touch of slack when throttle is closed. Read owners
> manual as these don’t operate quite like today’s units.
Here is an off the wall problem I have found on a couple of these that won't engage or intermittently drop out after engagement. The CC unit is
mounted to the body of the coach just behind the hatch cover. The CC unit is powered by the engine 12 volt power system but when they mounted the
unit it was grounded to the body which is the house 12 volt ground. So the return ground path has to go through couple of jumpers on the back of the
trans and another from the body to the frame. After 40 years they deteriorate and then there is no return path back to the engine ground.
The easy way to check and fix this is to disconnect the ground wire on the CC unit. Attach that wire to about a 2 foot new piece of wire. Then
attach the other end of the new wire to any bolt on the engine just below the CC unit.
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Cruise control [message #362152 is a reply to message #362145] |
Mon, 01 February 2021 16:25 |
RainbowRoadie77
Messages: 19
Registered: October 2020
Location: Portland, OR
Karma: -1
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Junior Member |
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Of course. ;). Thx
On Feb 1, 2021, at 12:28 PM, Ken Burton via Gmclist wrote:
There are no guarantys that moving of the ground will fix your problem. It is just I have seen a few with that failure. It could just as likely be
some of the other suggestions posted here.
Ken B.
RainbowRoadie77 wrote on Mon, 01 February 2021 12:29
> Thanks everyone for your input!
>
> I’m gonna give Ken B’s check/fix a try this weekend
>
> Appreciate all of you!
>
> Rae
>
> On Jan 31, 2021, at 10:45 PM, Ken Burton via Gmclist wrote:
>
> JohnL455 wrote on Fri, 29 January 2021 18:26
>> Start with connectors plugged in and clean at transducer and brake switch. Check vacuum hose routing and replace as needed. To unit and to
>> pedal
>> switch. Reset cruise switch cancel setting at brake pedal by hand sliding the switch towards the pedal, then pulling up by hand on pedal to
>> automaticity ratchet to self recalibration. Inspect ball chain to throttle. There should be a touch of slack when throttle is closed. Read
>> owners
>> manual as these don’t operate quite like today’s units.
>
>
> Here is an off the wall problem I have found on a couple of these that won't engage or intermittently drop out after engagement. The CC unit is
> mounted to the body of the coach just behind the hatch cover. The CC unit is powered by the engine 12 volt power system but when they mounted
> the
> unit it was grounded to the body which is the house 12 volt ground. So the return ground path has to go through couple of jumpers on the back of
> the
> trans and another from the body to the frame. After 40 years they deteriorate and then there is no return path back to the engine ground.
>
> The easy way to check and fix this is to disconnect the ground wire on the CC unit. Attach that wire to about a 2 foot new piece of wire. Then
> attach the other end of the new wire to any bolt on the engine just below the CC unit.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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RaeRae & Caryn
77 Eleganza II (interior refresh)
Portland, Oregon
Searching for rainbows wherever we go!
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| Re: [GMCnet] Cruise control [message #362164 is a reply to message #362085] |
Tue, 02 February 2021 09:04 |
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74_Coach
Messages: 71
Registered: July 2019
Location: Arroyo Grande, CA
Karma: 0
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Member |
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RainbowRoadie77 wrote on Fri, 29 January 2021 13:34Hello everyone,
Our cruise control button does not work. Any suggestions, on where to start?
Thanks,
RaeRae and family
1977 Eleganza ll (455)
Portland, Oregon
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
I have an NOS Cruise/Signal lever available. I will post a pic & price later today if interested - just let me know. I am moving forward with an upgraded column that has a cruise/wiper multi switch & tilt/telescopic.
Ed Clerkin | 1974 GMC Canyon Lands 26’
Central Coast CA
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