2 gauge light controls?

I have my wiring all apart chasing different things. I came across 2 variable resistor switches that seem to be for the same thing. They look like they control the brightness of the lights in the gauges. One is in the upper corner of the gauge panel. One is on the underside of the dash to the left of the steering column. The one in the gauge panel has 2 Y/BK wires ganged together and 2 Orange wires together. The othe has 1 Y/BK and one Orange. Checking the wires they are connected to one another.

Why are there 2 of these variable switches controlling the same circuit?

11/22/0812:44 PM

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lmguyMember

In my 74 the switch by your left knee controls the brightness for the gauge lights. The other switch turns on the map lights in the underside of the dash just over the gauges and radio. If I rememebr right it also adjusts the brightness of the map light. Keep in mind that my car was rewired once by the previous owner and as a result I am not sure if it came that way new.

Ed...

11/22/081:07 PM

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cybomanMember

The two switches in my '86 5-S function the same as Imguy's.

Michael

11/22/082:30 PM

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bosswrenchMember

FWIW, '71- 72 Panteras only had one rheostat. They often go inoperative but are quite easy to fix without even disassembling. On the back, there are two brass stubs protruding a little but have no connectors. Jump the two blunt ends and see if the rheostat works; if so, solder a short jumper across the two ends.

11/23/0810:29 AM

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