Problem with my 2002 Pontiac Montana
3.4 V6 Engine
work done prior = coil pack,plugs and wires
work done to repair = none
tech = jk
question = My tail,turn,brake light do not work. The fuses and bulbs are
all good. When I hit the brakes shifter,and turn indicator lights go
dim. Please help me,I have to leave town(sick family 3000 miles away)my
wife needs to be safe. Thanks! God Bless.






JK:
Sounds like you have a short or other wiring problem. A common area of odd electrical
 problems for rear lights is the circuit boards in the rear assemblies that the bulbs plug
into. Sometimes they short out internally, and cause backfeeding into other lighting   
circuits. Also, look into the plug for both of those circuits, and look for corrosion. This  
assuming that all bulbs ARE good. The incorrect bulbs, or bent terminals on the
bottom of the bulbs can also cause this sort of back feeding. Turn signal switch is also
a possibility,  but those rear circuit boards are usually the cause.
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