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Finding a short in turn signal switch

Blowing fuse with turn signal how do I take switch apart to look for a short

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  • Cars & Trucks Master
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The problem may not be the switch unless there is a ground wire running thru it. Most likely, the switch turns on a circuit that has a dead short ( power straight to ground).
Has the car been hit causing a pinched wire? Any recent changes to the car?
I would connect a lamp in instead of the fuse where the fuse goes (to energize the circuit while searching for the short), turn the signal switch on and the lamp should turn on bright. Trace the wiring harness involved and disconnect the harness if possible, at a connector jack, starting near the signal lamp involved. When the dead short is disconnected or removed, the test lamp connected to the fuse holder should dim or shut off.

Posted on Aug 11, 2017

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Posted on Jan 02, 2017

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how do i replace a retrofit kit for the air conditioning system. unscrewing the stem is troublesome. Any ideas?

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SOURCE: 1994 toyota pickup turn signals blowing fuses

it could be the turn switch, and or a lose contact, or as well bulb seating is having problem,and check the wiring system

Posted on Dec 12, 2008

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SOURCE: 2004 Frontier Turn Signal And Hazard Fuses Blowing

you have a short... a bad ground somewhere. sorry i cant be more specific but if you have a wiring diagram you can find the ground for this... possibly corrosion but unlikely. good luck

Posted on May 02, 2009

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SOURCE: 2006 f150 keeps blowing turn signal fuse

It sounds like the fuse is doing what it is supposed to do, and burning out when there is a short circuit. Check the wiring from the fuse block back to the lights and pay special attention to the trailer connection.

Posted on Oct 09, 2009

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SOURCE: blowing fuses on blower motor 2006 e250 econoline

Both are possible.But it can be blower motor issue mostly.Its taking too load and that's blowing the fuse.How to Test and Replace Blower motor on car? http://repairhelpcenter.blogspot.com/2011/12/how-to-test-and-replace-blower-motor-on.html--------- How to Replace Blower Motor Wheel? http://repairhelpcenter.blogspot.com/2011/12/how-to-replace-blower-motor-wheel.html
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--------This will help.Thanks.

Posted on Feb 19, 2012

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1 Answer

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Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts
Free wiring diagrams here
http://www.bbbind.com/free_tsb.html Enter vehicle info. under system click on lighting , subsystem click stop lamps . Then click the search button , then the blue link. Use the wiring diagram to pin point testing locations in the circuits . Check out videos on youtube on finding a short .
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