1989 Plymouth Acclaim CHMSL not working

1989 PLYMOUTH ACCLAIM
260,000 MILES • 4 CYL • FWD • AUTOMATIC
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MEDIAN
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The Center High Mounted Stop Lamp doesn't light when I depress the brake pedal; I get continuity when I test the socket, so I think it is good, but when I try to test for voltage, I can't get a reading. What else can I check on? Thanks.
Aug 13, 2008 at 5:14 PM
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2CARPRO JACK
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Check continuity to ground on the Gray wire. The other wire (White/Tan or White) should power up when brake applied. Do the other stop lamps work ok? It is simply spliced into the circuit for the other lights
Aug 14, 2008 at 8:27 AM