Console Gauges not working. - Impala Tech
Electrical & Wiring Troubleshooting electrical problems

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post #1 of 7 (permalink) Old 07-26-2017, 11:41 AM Thread Starter
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Console Gauges not working.

I have a 1966 Impala SS 327 4 speed. The gauges in the console are not working. Does anyone make exact replacement gauges? or repair them???
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post #2 of 7 (permalink) Old 07-26-2017, 01:38 PM
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My opinion, best thing to do is have your original gauges repaired. I had the gauges in my 69 Chevelle repaired by Clock Doc in Monteagle, TN and they did a great job. Unfortunately, they have since gone out of business. I did a google search and found several places that offer similar service, i.e. gauge repair and restoration for classic muscle cars.
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post #3 of 7 (permalink) Old 07-27-2017, 11:12 AM Thread Starter
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Thanks Mike.
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post #4 of 7 (permalink) Old 07-28-2017, 10:06 AM
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We're these factory installed or did you add them on. Asking because some are petty tough to figure out how to wire correctly and it seems DD that none of them are working?



1966 Impala SS

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post #5 of 7 (permalink) Old 07-28-2017, 12:36 PM
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As with all of these over the internet diagnosis, I would question how is the original poster defining "Not Working!" Are we talking totally inoperative, no dash light, no movement at all. Or are we talking an incorrect reading, or a gauge going the wrong way when power is first applied.

Most gauges are electrical, which means that they are all essentially all volt meters that measure voltage to ground; with the sender being a variable resister. The gauge is calibrated to reflect the change in resistance as coolant temperature or oil pressure. The volt meter is as you would expect, but were not installed in older cars; but the ammeter is shunted and as such is actually also a volt meter.

Difference in ground potential from the supply side to the battery will affect the gauges accuracy. Polarity will have a real effect on the operation, and as mentioned the quality of the circuit (wire size, termination, and power tap) all affect how the gauges work.

Big Dave
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post #6 of 7 (permalink) Old 08-29-2017, 02:23 PM Thread Starter
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Sorry so late Paul. These are the factory gauges that are not working in the front of the 4spd. console.
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post #7 of 7 (permalink) Old 08-29-2017, 02:26 PM Thread Starter
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Sorry so late Dave. The gauges are not working at all. They are all factory installed gauges.
Thanks, Fred.
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