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It is for the trailer running lights.
Tail lights and brake lights fuse.
There are separate fuses for trailer signal lights in main fuse panel
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I have no running lights on my 2006 Peterbilt 387 all of the lights work
It has a separate fuse .I bet you have a trailer connection. The correct fuse is noted in the owners manual.
check the fuse in the underhood fuse box. There are separate fuses for the trailer turn circuits and tail lights. If the fuse is burnt, replace and reconnect the trailer. If the fuse blows again, check the trailer wiring for a short on the park light wire.
Yes, on a 2001 Tacoma it was a blown 5 amp fuse in the separate harness dedicated to the trailer lights. I did not realize Toyota Tacoma's came with a separate harness and fuse block just for the trailer lights/harness (this is separate from the under dash (#1) and under hood (#2). On a 2001 Tacoma , it located underneath the driver's side rear jump seat next to the factory tire jack.
If the Avalanche came with the factory trailering package, the trailer lights are separately fused from the other truck lights. Check your fuse panel layout for a 10-amp fuse for left side and a separate fuse for right side turn signal/brake light on the trailer.
brakes and running lights have separate fuses. check the fuse then check the brake light switch under the dash
This year of truck has a separate circuit for the trailer turn/barke/tail lights. Look under the hood, under the fuse box. Look for the trailer fuses on the fuse directory
I just want to no which numbers on the fuses box are for trailor hitch