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Re: Problems with rear brake light and turn signal
Do you have the bulb inserted correctly? Confirm that the dual filament bulb is NOT in the back-up lamp socket, but is in the stop/turn - park lamp socket.
The reason the front flashes rapidly is that the circuit is NOT seeing the rear brake light filament resistance. There is an issue with the dark green with red wire at the rear tail lamp assembly- please confirm 12v there when brake pedal is pushed or left turn signal is flashing.
Also the wiring diagram says you have two bulbs on either side- one bulb with two filaments has the park lamp filament and turn signal/stop light filament and the other bulb is your back-up light (single filament)
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Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
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'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
'68 Camaro 396 4 spd RS/SS -72k miles-
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