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'99 dodge ram 2500. brake lights and rear signals don't work. traced wires to eng. comp. red and blue wires. red connected to fuse box. blue wire not connected. don't know where it connects to.
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1995 Dodge Ram 2500 Left Front Speaker Positive Wire (+): Dark Green
Left Front Speaker Negative Wire (-): Brown/Red
Right Front Speaker Positive Wire (+): Violet
Right Front Speaker Negative Wire (-): Dark Blue/Red
Left Rear Speaker Positive Wire (+): Brown/Yellow
Left Rear Speaker Negative Wire (-): Brown/Light Blue
Right Rear Speaker Positive Wire (+): Dark Blue/White
Right Rear Speaker Negative Wire (-): Dark Blue/Orange
2001 Dodge Ram 2500 Truck Car Stereo Wiring Schematic Car Radio Battery Constant 12v+ Wire: Red Car Radio Accessory Switched 12v+ Wire: Red/White
Car Radio Ground Wire: Chassis
Car Stereo Dimmer Wire: Orange/White
Car Stereo Antenna Trigger Wire: Yellow
Left Front Speaker Positive Wire (+): Dark Green
Left Front Speaker Negative Wire (-): Brown/Red
Right Front Speaker Positive Wire (+): Violet
Right Front Speaker Negative Wire (-): Dark Blue/Red
Left Rear Speaker Positive Wire (+): Brown/Yellow
Left Rear Speaker Negative Wire (-): Brown/Light Blue
Right Rear Speaker Positive Wire (+): Dark Blue/White
Right Rear Speaker Negative Wire (-): Dark Blue/Orange
The circuit goes from the brake light switch thru the turn signal switch and uses the same bulbs as the rear turn signals. I would check for power in and out of that switch next.
the switch controls both front and rear signal lights.the wires just T off in the harness to go both ways.you don`t say but are the rear bulbs ok.there is 2 filaments in the bulbs one for tail lights and one for signals/brake lights.so the brake lights work if so then the bulbs are good.if not then the bulbs may be the problem.it could also be a wire feed/ground problem that you will have to trace from the sockets back through the system with a test light checking for power and ground.
2004 Dodge Ram 2500 Truck Car Radio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Pink Car Radio Accessory Switched 12v+ Wire: Brown/Red Car Radio Ground Wire: Black/Dark Green Car Radio Illumination Wire: Orange/Dark Blue Car Stereo Dimmer Wire: N/A Car Stereo Antenna Trigger Wire: N/A Car Stereo Amp Trigger Wire: N/A Car Stereo Amplifier Location: N/A Car Audio Front Speakers Size: N/A Car Audio Front Speakers Location: N/A Left Front Speaker Positive Wire (+): Dark Green Left Front Speaker Negative Wire (-): Brown/Red Right Front Speaker Positive Wire (+): Violet Right Front Speaker Negative Wire (-): Dark Blue/Red Car Audio Rear Speakers Size: N/A Car Audio Rear Speakers Location: N/A Left Rear Speaker Positive Wire (+): Brown/Yellow Left Rear Speaker Negative Wire (-): Brown/Light Blue Right Rear Speaker Positive Wire (+): Dark Blue/White Right Rear Speaker Negative Wire (-): Dark Blue/Orange
Here you go: 1996 Dodge Ram 2500 Truck Car Audio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Red
Car Radio Accessory Switched 12v+ Wire: Red/White
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: Orange/White
Car Stereo Antenna Trigger Wire: Yellow
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Dark Green
Left Front Speaker Negative Wire (-): Brown/Red
Right Front Speaker Positive Wire (+): Violet
Right Front Speaker Negative Wire (-): Dark Blue/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown/Yellow
Left Rear Speaker Negative Wire (-): Brown/Light Blue
Right Rear Speaker Positive Wire (+): Dark Blue/White
Right Rear Speaker Negative Wire (-): Dark Blue/Orange
you need to do basics first, check to see if bulbs are good,then verify no voltage at bulbs, check to see if your truck has has a tailor hitch and wiring installed. where they connect to your original wire is where you need to check first,
I have seen once before that the fuse box was bad on a 2003 Dodge 3500. I had power in and nothing out. We had to replace the box. Not cheap! Hope it is simple like a loose connection though. I think I had to pull the inner fender on the drivers side to access the bottom of the fuse box. Pain in the ****, but...
Do you have dash lights? If not chk. fuse. If you do have dash lights chk. bulbs. if bulbs ok, chk. wires and taillight plug. Does it have a trailer light plug? chk. that too. If all that chks. out ok than you will have to trace the wires from front to rear to find the problem. fuses should be labled on inside fuse cover, inside cab, and under hood same way.
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