Question about Cars & Trucks
Wiring for head lights and tail lights
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Posted on Jan 02, 2017
SOURCE: nissan pulsar 2000 model no tail
Before getting too involved, first remove all the stop and taillight bulbs, and see whether the fuse remains intact. It may be necessary to remove the front clearance bulbs as well.
If the fuse still blows, carefully inspect all the bulb sockets for signs of wires touching. Repair anything you see.
If I remember right, there is a set of connectors within the boot (trunk) of the car. If the problem persists, disconnect all of them. Try the fuse blowing bit again.
If it still blows, the problem must be between the switch and the rear.
If you have one, an ohmmeter check between the "dead" contact of the fuse holder (no fuse fitted)and chassis ground may show a dead short. Tyring each of the connectors in the boot in a similar manner may isolate one particular wire. Then you know what colour wire you are looking for.
Then it's just a matter of tracing the wiring loom back (I think it runs under the floor coverings from memory?), until you find the damage.
A wiring diagram won't really help, lights are always wired in a simple circuit. Somewhere the wire from the switch will split to go to the other light(s), and a short could be in the second or other wire.
I have seen shorts occur even IN light bulbs... so if the fuse doesn't blow after removing the bulbs, check each one before replacing!
Posted on Jun 05, 2009
Just to be sure, check out the bulbs and sockets.
Make sure the two dots sockets (look into the base) is using two dot bulbs.
Check the single brake switch that activate by the brake.
If you has a meter then please check out the contact points.
Sometime this switch move out of aligment.
Dirt can also be part of the problem.
===== I will apply 12V power to the brake switch socket and make sure the blubs light to rule out wire problem first.
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Posted on Aug 23, 2009
first i would check too see if ive got a good ground then if i do i would run a seperet hot wire too complete the circut,
Posted on Jan 05, 2010
A test light checking each connector would be faster and easier to do. Maybe somebody may have a illustration for you but by far a simple test light is all you need with a helper turning on the different lights as you check them out and writing all your findings down
Posted on Jan 22, 2010
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