| Modules/Coils [message #110467] |
Sat, 01 January 2011 08:08  |
Oldngray
Messages: 544
Registered: August 2009
Location: Punta Gorda Florida
Karma: 0
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As mentioned in a earlier post, yesterday I had two Modules go South on me. The first was only six months old, the second was, I thought a good spare. (It was for about 10 minutes.)
Both Modules are Delco.
What I noticed when changing them was the Coil and BAT wire being very Hot.
Is this normal?
Richard MacDonald
Punta Gorda, Florida
Sold our TZE April 2015
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| Re: Modules/Coils [message #110470 is a reply to message #110467] |
Sat, 01 January 2011 08:33  |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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| Oldngray wrote on Sat, 01 January 2011 06:08 |
As mentioned in a earlier post, yesterday I had two Modules go South on me. The first was only six months old, the second was, I thought a good spare. (It was for about 10 minutes.)
Both Modules are Delco.
What I noticed when changing them was the Coil and BAT wire being very Hot.
Is this normal?
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I am "new" to the HEI (my '73 doesn’t have one) but isn't there supposed to be thermal paste under that module?
My Audi has ignition modules with similar function... they burn up if you forget the paste. (I normally get the paste at a computer store... it is used between the CPU and CPU cooler/fans.)
I need to get a new module for my '78, keeping the one currently in the coach as a spare. Replacing a working module is a good way to ensure you have "known" good spare.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] Modules/Coils [message #110483 is a reply to message #110467] |
Sat, 01 January 2011 10:02 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Mac,
Those symptoms, added to the module failures, would sure make me
suspicious of the coil.
This provides a pretty good HEI test routine:
http://www.angelfire.com/realm2/84camaro/fix_the_car/coil/coil2.htm
Happy New Year to All!
Ken H.
On Sat, Jan 1, 2011 at 9:08 AM, Richard MacDonald <rm1936@gmail.com> wrote:
>
>
> As mentioned in a earlier post, yesterday I had two Modules go South on me. The first was only six months old, the second was, I thought a good spare. (It was for about 10 minutes.)
> Both Modules are Delco.
> What I noticed when changing them was the Coil and BAT wire being very Hot.
> Is this normal?
> --
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: Modules/Coils [message #110508 is a reply to message #110467] |
Sat, 01 January 2011 13:10 |
Oldngray
Messages: 544
Registered: August 2009
Location: Punta Gorda Florida
Karma: 0
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Hmmm, I changed Cap, Rotor and Module, Methinks that I will go back and do some testing, thanks much.
BTW, I did use paste.
Richard MacDonald
Punta Gorda, Florida
Sold our TZE April 2015
[Updated on: Sat, 01 January 2011 13:11] Report message to a moderator |
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