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There isn't one. The function is done by the Body Control Module (BCM) along with lots of other functions.
Where is the turn signal relay on a 2006 Chevy Colorado?
The turn signal is controlled by the BCM (Body Control Module) that is located at the passenger side kick panel.
May 21, 2014
Check for power at the socket. If there is no power I would suspect the flasher relay wich supplies power to each bulb individually after it gets the right or left signal from the switch.
first check the brake light fuse it powers the rear bulbs. remove and verify that all bulbs are working. note the wire colors going to the bulbs. replace as needed. next check the turn signal switch. if broken replace. sometimes switches break on the inside so measure from the power lead to the outputs. The wires going to the bulbs. easy because they are on the bulbs you checked. if you have towing package there will be a connector to hook up lights on the trailer. Inspect for bare wires or cuts in the insulation. good luck
the flasher relay is located in the fuse panel, But you may want to check the front lights as well since all 4 of the blinkers are linked for the hazzard feature,any one of the bulbs can cause this issue.
I've worked on these the first drove me crazy. its the turn signal switch every thing runs thru these. head lights, turn signal, brakes. except the third brake light. it runs directly from the brake switch. go figuare
Hello Durant. Your rear signal lamps are turned on by the body control module (BCM). You could have some broken wires from the BCM to the rear signals or the BCM isn't providing power to them. The BCM must be getting a signal input because the front ones are functional. If you want to trace the wires here are the colors you are looking for. Left rear wire is white/dark green. Right rear wire is white/brown. You may need to have your BCM scanned to verify. If you would like more information to solve this yourself ask me.
I have this exact same issue with my 05 Colorado and its so annyoying (not to mention unsafe)... I thought it was just the blub- becuase in my case my signal is no loger blinking. My break light still works, as does my parking light...
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