Instrument light issues, '72 - Page 2 - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

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post #16 of 21 (permalink) Old Feb 26th, 19, 9:16 PM
blm
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Re: Instrument light issues, '72

I would say with them working correctly on the hazard circuit that the issue could be with the turn signal flasher. Not positive but I think the flashers are the same part.for.both the turn signals as well az the hazards so you could try just swapping them to see if the problem changes.
Congrats on tackling your instrument lights.
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post #17 of 21 (permalink) Old Feb 26th, 19, 9:30 PM
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Re: Instrument light issues, '72

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Originally Posted by Pstephens78! View Post
Update: I pulled the dash ans found that the location for the ground wire to the gauge housing/cluster was a threaded hole and no ground wire. I cleaned the area on the housing, the metal at the base of the "A" post and grounded it. Instrument lights work with the dimmer switch now. I am still having the slow blink on the driver's, and normal on the passenger side. If you turn the hazards on, all lights flash normal. Any further ideas would be appreciated.
When I hear about one side flashing at a different speed than the other, I would look to see if any bulbs are burnt out or not lighting up and then seeing if the bulbs are correct and of the proper wattage.

The flashing speed on the older style flashers is dependent on the load or amount of bulbs connected to it. In other words, if one bulb is wired to a flasher, then it would flash the bulb or turn on and off at a particular speed. Add in a second light and the load changes that the flasher sees and then the speed changes. Add in even more bulbs and it changes once again.

Keep in mind too that you have a turn signal flasher behind the dash and then another flasher in the fuse block and each one even if they had identical loads or amounts of bulbs wired to them, they will flash at different speeds. They are not made to super high design tolerances.

Jim

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post #18 of 21 (permalink) Old Feb 26th, 19, 11:01 PM
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Re: Instrument light issues, '72

Try changing the flasher!

Leo Paugh
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progress has little to do with speed, but lots to do with direction

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post #19 of 21 (permalink) Old Feb 27th, 19, 6:03 AM Thread Starter
 
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As cheap as it is, that's definately worth trying.
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post #20 of 21 (permalink) Old Feb 27th, 19, 6:06 AM Thread Starter
 
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I'll pick up a flasher today and give it a try. Thank you for the information!
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post #21 of 21 (permalink) Old Feb 28th, 19, 8:14 PM Thread Starter
 
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I purchased a HD flasher...all fixed! Thank you!!!
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