Electrical mystery

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Nov 19, 2014 | 11:02 AM

shakedownshorty

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From: Monroe, Michigan

Electrical mystery

This one has me stumped....this is to do with my stop lights...all my tail lights work, 4 way flashers work, left and right turn signals work, when the brakes are applied, only the RIGHT STOP light will work...the left dont light up...check wiring on trailer hitch, along the frame no problems found...the left turn and 4 way flasher works, but no stop light left rear??? thoughts??

Nov 19, 2014 | 01:31 PM

ctubutis

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From: Denver Metro Area, CO

Turn signal switch comes to mind.... step on the brakes and wiggle the switch, see if both rear stop lamps light up.

Nov 19, 2014 | 02:36 PM

Franklin2

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From: Virginia

I agree. Turnsignal switch.

Nov 19, 2014 | 02:40 PM

shakedownshorty

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From: Monroe, Michigan

Quote:

Originally Posted by Franklin2

I agree. Turnsignal switch.

So its something in the switch itself or in the wiring in the column?

Nov 19, 2014 | 02:41 PM

Franklin2

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From: Virginia

In the switch.

Nov 19, 2014 | 02:43 PM

shakedownshorty

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From: Monroe, Michigan

Quote:

Originally Posted by Franklin2

In the switch.

So off comes the steering wheel and replace the switch and harness down the column?

Nov 19, 2014 | 02:51 PM

Franklin2

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From: Virginia

The switch comes with a short pigtail harness.

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Nov 20, 2014 | 12:38 AM

NotEnoughTrucks2014

Fleet Mechanic

Joined: Mar 2014

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From: Saskatchewan Canada

Easy to troubleshoot a little first before you tear the column apart. Locate the brake switch on the pedal linkage. 2 connections going to it. One will be live at all times, the other will go live when you press the brake pedal. Easy to check with a test light. Make sure this is happening before you replace the turn signal switch.

Edit. Never mind. You do have at least 1 light working, so this must be OK. Carry on!