What size fuse should I use for the brake lights?

10

Asked by Nov 14, 2015 at 07:46 PM about the 2001 Chevrolet Express

Question type: Maintenance & Repair

I have a used Express cargo van with no owners manual, the fuse is burnt
out, and I don't know if it's because it's too small.

8 Answers

64,395

15 amp.

10

The old fuse was a 20 amp, and it burnt out. Are you sure a 15 amp is big enough?

1 of 1 people found this helpful.
64,395

Yes,but if it blowed a 20 amp,you have other issues,check your bulbs,

69,685

Sounds like a short if you are blowing fuses...

10

I just bought the van with a blown fuse. It has a receiver hitch, and electric braks for the trailer. I'm thinking they were pulling some big trailers with lots of lights. I'll put a 15 amp fuse in there and see what happens. Thanks for the help.

69,685

Your just going to blow the 15 amp fuse as it is a smaller fuse than a 20 amp.. Sounds like there is a problem with the trailer wiring...

1 of 1 people found this helpful.
64,395

Agree,there is a issue in wiring or bulbs,untill you find it it will blow fuses,and if you try to up the fuse amprage,you may cause more damage to the wiring,

10

I will check continuity between the brake light wire and ground. That will tell me if there is a short.

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