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Gary, Buick Technician
Category: Buick
Satisfied Customers: 16870
Experience:  15 years master GM tech and mater ASE tech
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2000 buick park avenue: left turn signal..Bad bulb..electrical problem

Resolved Question:

2000 buick park avenue left turn signal stays on and drains battery. Bad bulb or electrical problem
Submitted: 5 years ago.
Category: Buick
Expert:  Gary replied 5 years ago.
the left turn signal indicator in the dash just stays lit up?are any exterior bulbs lit up ?and this happens with the car off and the key out of the ignition ?
Customer: replied 5 years ago.
Expert:  Gary replied 5 years ago.
and the exterior left bulbs on the outside of the car are staying lit up ?
Customer: replied 5 years ago.
Expert:  Gary replied 5 years ago.
try turning on and off the hazzard button a few times and see if those lights will shut off
Customer: replied 5 years ago.
tried turning on the hazards and shutting them off. Didn't work.
Expert:  Gary replied 5 years ago.
ok at this point you either have a multi function switch ( turn signal assembly ) causing the problem OR the turn signal flasher module causing this tell which one if you get to the turn signal module test for 12 volts at the orange wire going into the module if it shows 12 volts the turn signal switch is bad if there is not 12 volts there then the module is the second picture the module is # XXXXXgraphicgraphic
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