Truck lights not working!

pull out your center cup holder.. right under your cupholder you'll see 2 screws, take them out and it will lift up,,(put your cb to the side) you will see your fuses there,(go on YOUTUBE and type in fuse box for volvo 670 and you can watch it how its done) hope this helps!!

 

There is a scamatic on the cover to show you every fuse and what it operates, there should be a little tweaser looking thing in there too. Try a test light on each one you suspect.. I think this should help you.

 

hi is it the rear lights are not working or front? if you have a problem with lights on the back and can't find the problem, also have message check light control module best thing is to try to replace the wiring from the last harness to the lights on the back. Just recently have that problem my self.

 

could it be something as simple as the light itself? Have you taken a spare and replaced to see if it was the light itself?? You should have 3 wires on the harness plugged into the light. One is for signal, other for brake, other for the light. The one for light may be shorted??? I just replaced one with same problem 1O minutes ago..

 

It can be taken apart and you can solder new plugs on the harness but use waterproof marine grade heat shrink or you will have to do it again. Good Luck!

 

Check if u have power coming in at the 5 pin connector of the harness if u have you're 4 ways running you're going to have the two signals and there should embe one more constant power if the lights are on if u have power at the 5 pin connector then there is a splice in the harness where the light split up between left and right that it goes bad you ll see it if u open up the tape from the 5 pin connector towards the lights