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Rheostat wiring

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nick
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Rheostat wiring

Postby nick » 15 Mar 2010 19:24

The panel illumination rheostat has four polls. The wiring diagram shows a red and a red/white wire going to the rheostat but it does not show which polls they attach to. Also, I think I had a black wire attached as well which is not shown in the diagram. Can someone clue me in on the correct wiring for the rheostat?

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nick
'79 TR7

FI Spyder
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Postby FI Spyder » 15 Mar 2010 19:43

Two are common with other two so you only use two. No black wire as the rheostat is in series to dash wiring and not grounded.

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TR7 Spider - 1978 Spifire - 1976 Spitfire - 1988 Tercel 4X4 - Kali on Integra - 1991 Integra
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nick
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Posts: 1679
Joined: 07 Apr 2005 02:00
Location: USA
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Postby nick » 16 Mar 2010 03:07

Thanks for the pic. The black wire turned out to be the ground for the cigar lighter. Putting that on a rheostat post will blow a fuse. Not a good idea.

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nick
'79 TR7

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