Gauges not working in 72 SS - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

 
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post #1 of 12 (permalink) Old May 12th, 14, 8:54 PM Thread Starter
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Eddie
 
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Gauges not working in 72 SS

Looking to purchase this 72 Chevelle, and the only thing noted is that none of the gauges (tachometer, amp gauge, fuel gauge, temperature gauge, and clock function) There is an cluster of aftermarket gauges under the dash including a tachometer, oil pressure gauge, and water temperature gauge, all of which function properly and all of which indicate within proper parameters. How hard is it to get the gauges to work or how expensive? Thanks
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post #2 of 12 (permalink) Old May 12th, 14, 9:00 PM
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Dan
 
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Re: Gauges not working in 72 SS

If everything is junk it is about $500.00 for the parts. $354.00 for the gauge kit and about another $150.00 for the clock.
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post #3 of 12 (permalink) Old May 12th, 14, 10:51 PM Thread Starter
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Eddie
 
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Re: Gauges not working in 72 SS

Could it be just the wiring or something? I seriously don't think it's just a fuse issue.
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post #4 of 12 (permalink) Old May 12th, 14, 11:03 PM
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Steve
 
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Re: Gauges not working in 72 SS

Yes - when I bought mine I lost all the gauges when I turned the headlights on and it was a simple grounding issue. It could be something simple but it could also be the $500 package - do yourself a favor and get the car looked over by a professional shop before making the deal - if the seller has nothing to hide it shouldn't be a big deal.
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post #5 of 12 (permalink) Old May 12th, 14, 11:09 PM Thread Starter
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Re: Gauges not working in 72 SS

I had it looked at by a classic car inspector and not a shop...and he is the one who told me it can be minor or major. I don't think he knew exactly.
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post #6 of 12 (permalink) Old May 13th, 14, 10:40 AM
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Dan
 
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Re: Gauges not working in 72 SS

If it is not a simple as a fuse or a ground issue. You may need to pull the dash completely out, inspect the wiring harness, test the printed circuit board, bench test all the gauges and install the complete assembly back into the car.

Last edited by RealRed70; May 13th, 14 at 12:11 PM.
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post #7 of 12 (permalink) Old May 13th, 14, 11:36 AM
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Paul
 
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Re: Gauges not working in 72 SS

What Dan said... sounds like the previous owner may have had some issues getting original gauges to work, so just installed the aftermarket as a work around. Definitely need to get behind the dash to have a look.

When I bought mine, the original water temp & amp gauge were gone, replaced with aftermarkets ones. When I pulled the dash I found that the printed circuit board was all hacked up. I modified the PCB and installed new Autometer gauges since the originals were gone. I installed an oil pressure gauge in place of the amp gauge.
.

- Paul
'72 SS454 "W" code - triple black
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post #8 of 12 (permalink) Old May 14th, 14, 11:50 AM Thread Starter
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Re: Gauges not working in 72 SS

Well does it matter if the dash was switched out but not correctly. Apparently the horn doesn't work, neither does the radio. Maybe its not plugged in, maybe its a bigger issue. I haven't bought the car yet, the inspector was just telling me about it. Everything else looks/works well on the car, just not the gauges. Don't know how much that would cost or what it will take, fairly new at this but love Chevelle's. Thoughts?

Paul (Kirby10) whereabouts are you located in the Springs?
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post #9 of 12 (permalink) Old May 14th, 14, 2:06 PM
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Joe
 
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Re: Gauges not working in 72 SS

Well, worst case scenario is...someone took a Malibu with standard sweep dash and is trying to pass it off as an SS with optional gauge package or a Malibu with the optional gauge package. You can't just use a sweep speedometer dash harness in an instrumentation dash. If there is no printed circuit board connector and related wiring, nothing's going to work right with the exception of maybe the clock. If you pull on the headlamp switch and you don't even have dash lights, proceed with caution on this deal....

-If you don't stand for something, you'll fall for anything.
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post #10 of 12 (permalink) Old May 14th, 14, 2:45 PM
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Paul
 
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Re: Gauges not working in 72 SS

Eddie,

PM sent.
.

- Paul
'72 SS454 "W" code - triple black
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post #11 of 12 (permalink) Old May 14th, 14, 10:44 PM Thread Starter
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Re: Gauges not working in 72 SS

Joe,
The inspector said that the dash lights worked. I don't care if it's a clone, although I prefer a true SS, I would take all SS emblems off a clone and role with a regular Chevelle. I just don't wanna purchase something that would be expensive to fix. Make sense?
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post #12 of 12 (permalink) Old May 15th, 14, 8:29 PM
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Joe
 
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Re: Gauges not working in 72 SS

Eddie, let us know how you make out.


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