The pass side park lights all work the turn signal only works on one bulb and the brake only works on the same bulb. i check power with a test light and i get the test light to blink on both wire to the bulbs. I have replaced the tail light harness from the trunk into the tail light. all bulbs are good.
The bulbs are dual elements and maybe one is shot but you can't see that it is and I figure you know what your doing so excuse me if I say something that you already know because I'm not there at the vehicle ok since the brake and turn signal both work there on the same element anyway so I would try changing the bulb if still no parking tail light now start searching all the lights for wire continuity and also the fuses are any bulbs blown or burnt ? If nothing comes up the headlight switch should be checked but I feel that a bulb or wire is to blame
Voltage drop test the electrical circuit .
Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
Do you know what a wiring diagram is ? Do use a test light ,use a DMM - digital multi-meter . Free wiring diagram here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model . Under system click on lighting then under subsystem click on turn signal lamps . Then click the search button then the blue link . Scroll down to last diagram .
SOURCE: Lost lights
hi as you have checked all fuses for these light ok? and other lights are all working may i suggest you check the relay for side/tail lights which also includes licence plate light first it sound like the relay has failed if you look under fuse/relay cover you may find map indicating location? i would try this first b4 switch hope this helps?
SOURCE: 2004 F150 Tail light problem
I would check your Auxiliary relay box. Check the R03 relay you might need to replace it. The Auxiliary relay box is located in the engine compartment (driver side)
SOURCE: 96 Ford Contour - The Classic Rear Brake lights don't work...
no disrespect but....
Check the book and make sure you are using the proper bulbs on all sides. (3957 looks just like 3956 but wont work right)
SOURCE: Brake light, reverse light and turn signal issues
Hello. The symptoms you are describing are likely due to a poor ground. Temporarily install a new ground wire by securing a piece of copper wire to the frame with a self tapping screw. Use this ground wire along with the hot wire to see if each of these lights works. If it does, trace the ground wire back to the frame, unscrew it and clean up the metal with emery cloth so you reestablish a good ground.
SOURCE: 1992 ford ranger =no tail lights,,,,brake and turn signals work
try turning your lights on.....
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