Cadillac: 1992 Cadillac Eldorado Twilight Sentinel, twilight sentinel, cadillac eldorado

Question
The Twyilight Sentinel in my 92 Eldo is Inop.  I Checked all the fuses and they are all fine.  Any advise on how to proceed?

Answer
It could be a faulty:

twilight photo cell.

head light switch rheostat.

twilight sentinel module.

You will need an electrical schematic and a disgnostics test chart to perform simple tests to find the fault.

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