| Re: [GMCnet] Grounds [message #295330 is a reply to message #295328] |
Wed, 10 February 2016 03:41   |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma:
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Senior Member |
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Read here
http://gmcmotorhome.info/speed.html#drop
Erf
On Tuesday, February 9, 2016, Jim Kanomata wrote:
> Hal,
> You can relate to how frustrating it is for our shop as these small thing
> constantly slow our production in our shop.
> Since we are an authorized installer and dealer for for Blue Ox, we get in
> 40' pushers to wire up for towing, which tie up space and we need to get
> them out quickly.
> Unlike the GMC, we need to get wire diagrams from the manufactures and
> there are sometimes over two hour wait before we can get help.
>
> On Tue, Feb 9, 2016 at 8:51 PM, Hal StClair >
> wrote:
>
>> I've been struggling with a non operational cruise control ever since the
>> diesel swap. It's about driven me nuts as everything seemed to be wired
>> correctly but still no joy. I did manage to get it to engage once but I
>> couldn't repeat the feat and have been àt a loss for the last month.
> After
>> going over everything for the twentieth time I found a ground with about
> 3
>> ohms of resistance. Not enough to kill the function of the DRAC (digital
>> ratio adaptor) as the trans shifted great or to set a trouble code but
>> apparently enough to disrupt the cruise signal. Testing the ground with a
>> voltmeter or test light checked out good but the PCM is only working on a
>> five volt signal there and 3 ohms killed it. It's really ironic that a
>> ground issue was the problem as my advice is normally to be sure and
> first
>> check your GROUNDS. Too bad I wasn't a little more diligent and taken my
>> own advice, it would have saved me countless hours of frustration.
>> Happy, happy now though.☺ Hal
>> --
>> 1977 Royale 101348,
>>
>> 1977 Royale 101586,
>>
>> 1974 Eagle Bus 45',w/slideout
>>
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>
>
>
> --
> Jim Kanomata
> Applied/GMC, Fremont,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
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>
--
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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