Where does the power come from for a headlight relay?
The main power from the battery feeding the fuse and relays should be a nice large gauge wire as indicated. This run to the battery is typically much longer then the run from the relay to the headlights so it’s gauge must be thicker.
What kind of wire do I need for a headlight relay?
Our kit includes separate relays for the high and low beams as well as upgraded GXL wire to make fresh connections to your lights. It’s available in both standard (pn/ 500403) and weatherproof (p/n 500431) form. Loading…
Where is the relay wire for a fog light?
Connect one BLACK lead to the vehicle ground and to the relay terminal labeled 86. Connect the YELLOW wire to the yellow switch wire terminal and to the relay terminal labeled 85. Test the operation of the lamps as follows: Re-connect the battery.
Where do you connect the red wire to the relay?
Route the RED / WHITE wires from the lamps to the relay. Connect the RED / WHITE wire to the lamp terminals and to the relay terminal labeled 87. Connect one BLACK lead to the vehicle ground and to the relay terminal labeled 86.
Where is the high beam control relay located?
High beam control relay is in the underhood fuse box which are “non-serviceable Printed Circuit Board (PCB) relays and are internal to the block”. I know nothing… Ok… so non serviceable relays on Headlights but are you sure about the BCM supplying ground to a 10-15amp load.
The main power from the battery feeding the fuse and relays should be a nice large gauge wire as indicated. This run to the battery is typically much longer then the run from the relay to the headlights so it’s gauge must be thicker.
Where are the low beam headlamps located on a Silverado?
When the low beam headlamps are requested, the BCM applies B+ to both low beam headlamp control circuits illuminating the low beam headlamp Grounds to the frame near front body mount. Right and left respectivly. 4 years later… I have a 2014 Silverado.
Is the headlight plug out on my Sierra 1500?
2015 Sierra 1500. Just ran into the same issue, we went to see a late movie last night, when I started to drive home I noticed it was so dark so I pulled over and sure enough, both headlights were out. I pulled the driver side bulb and it was fine, not burned out and today I tested the plug and it was showing 6v, yet no light.