Console temp gauge - Team Camaro Tech
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post #1 of 13 (permalink) Old Apr 13th, 08, 09:50 AM Thread Starter
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Console temp gauge

I am tracking a possible bad ground on my temp gauge. It pegs hot when the headlights are turned on with the engine not running. How is is grounded in the console? Anyone have a picture of the gauge wiring?

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post #2 of 13 (permalink) Old Apr 13th, 08, 09:58 AM
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Re: Console temp gauge




Click..is Jim..former owner of a 69RS-LM1 350/255 - 700r
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That will be the beginning." Louis L'Amour
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post #3 of 13 (permalink) Old Apr 13th, 08, 10:44 AM Thread Starter
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Re: Console temp gauge

Thanks click. The diagram confirmed what I thought. The temp ground is a common ground with the fuel gauge ground. It seems to have fixed the problem once connected properly. I had the ground screwed basically to plastic.

"Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." ..... George Washington

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post #4 of 13 (permalink) Old Apr 13th, 08, 03:19 PM
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Re: Console temp gauge

Quote:
I had the ground screwed basically to plastic.
I used to own a fibreglass company and moved into making beach buggys on a VW floor pan..
The 1st one the guys assembled then I started to design/ make up /install the wiring looms for it....yeah and as staff do, dig at the boss, took bets if everything would work on the 1st turn of the ign,,,,And as bosses do... have a big ego and confidence everything will
The end of the day came, in therory everything should work, drop the battery in
NOTHING!!!!
The guys then realy rubbed it in lol
Everything on a VW is earthed (grounded ) thu the body rather than have separate ground wires....And the Buggy body is firberglass ....

My Spelling is not incorrect...it is creative

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post #5 of 13 (permalink) Old Apr 16th, 08, 11:33 AM
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Re: Console temp gauge

I don't mean to hijack this thread, but the above diagram is great.

I have a question regarding the low fuel light warning module. Am I correct in assuming that the way the module works is that it senses somewhere close to 12V and then opens an electronic gate which allows the yellow (low fuel bulb hot side) to pass thru to the ground and light?

The reason I ask is that the module is like $60 and was wondering if it is anything more than a transistor gate setup?

Has anyone opened one up just see what is inside the silly thing?

thanks

alan
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post #6 of 13 (permalink) Old Apr 17th, 08, 08:49 AM Thread Starter
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Re: Console temp gauge

I wondered what that was on the inside. Thought it was a diode fence.

"Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." ..... George Washington

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post #7 of 13 (permalink) Old Apr 17th, 08, 09:19 AM
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Re: Console temp gauge

Gary, I will bet you that inside that black plastic can is 60 cents of diodes and maybe a transistor. Anyone got an old one that could be disected?

alan
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post #8 of 13 (permalink) Old Apr 19th, 08, 07:36 AM
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Re: Console temp gauge

No curious EE's in the group?

alan
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post #9 of 13 (permalink) Old Apr 19th, 08, 09:08 AM
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Re: Console temp gauge

The low fuel module is a comparator circuit of some sort. Essentially it says when the sender reading is below a certain level, light the bulb. Now days, to build something like that could be done with an op-amp or a comparitor, a transistor, and about 4 resistors. Back then it was probably a flip-flop circuit made of two transistors and a few resistors.

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post #10 of 13 (permalink) Old Apr 19th, 08, 03:28 PM
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Re: Console temp gauge

Here it is in the archive files.

https://www.camaros.net/forums/archiv...p/t-42610.html

A friend who is an EE found it.

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post #11 of 13 (permalink) Old Apr 20th, 08, 12:50 AM
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Re: Console temp gauge

Hey... that's my old thread!

Alan... did you get the diagram I emailed you?

Steve -
'69 Camaro RS/SS-350, TH350, factory air, factory AM/FM, factory tilt wheel, console w/ gauges - Daytona Yellow
- 1969 Van Nuys Camaro Database
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post #12 of 13 (permalink) Old Apr 21st, 08, 03:52 PM
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Re: Console temp gauge

I sure did Steve, many, many thanks. Great help, great assist. I owe you a beer or 3.

alan
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post #13 of 13 (permalink) Old Apr 22nd, 08, 10:02 PM
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Re: Console temp gauge

No problem.

Steve -
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- 1969 Van Nuys Camaro Database
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