Question about Cars & Trucks
Most trucks have a 12v hot wire all ready run to trailer receptical. Does 2012 Toytota Tundra have this and if so how do make it live?
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Posted on Jan 02, 2017
The trailer light harness should be live. If you turn the ignition switch to run and set the turn signal on you should be able to use a test light and watch it blink back at the hitch.
The fuse cavity you are looking at is a battery fuse feed for trailer brakes or trailer battery recharge.
Check the pig tail with a test light and let me know.
Posted on Mar 08, 2009
I'm assuming you're just going to splice into the tail light wiring so that's what these wire colors are:
at the tail lamp 3 way connector:
black and yellow = park lamp
dark green and brown = left turn signal
there should be another connector with violet and black wire for reverse lights.
the stop lights are turned on through the turn signal circuits.
Posted on Apr 12, 2009
Hi: under the hood in the power distribution box there is a 40 Amp fuse that has to be installed to power up the trailer package. When standing looking from the front left fender it should be at the front right corner, refer to the power distribution diagram on the cover. As well under the box by the spare tire is a plug in type module mounted on the frame. There should be 2 wire harnesses located there, make sure the correct plug in is connected. Hope this helps... please rate suggestion .... ty
Posted on May 22, 2009
check air filter for dirty , how many miles or kms have your car? , maybe need to replace spark plugs, try to reset the ecu for a momentany malfunction, remove the negative battery terminal few minutes and reconnect,start engine and drive, check if lights goes off , please write me
Posted on Jul 05, 2009
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