Electrical problem
Super Moderator
Joined: Jul 2004
Posts: 21,113
Likes: 3,939
From: Ohio
Well that is a new one for sure.... Brake and wiring harness must be rubbing since the two coincide with each other.
And just when you think we have seen it all..........
Bumping back to the top and I am sure a few will be along to help out.
And just when you think we have seen it all..........
Bumping back to the top and I am sure a few will be along to help out.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
This is the 2004 F250?
When you press on the brake does the speedo go up in proportion to how much you depress the brake?
Do you have a trailer brake controller in this truck?
I'll have to do a little digging into the manuals on this one for sure.
When you press on the brake does the speedo go up in proportion to how much you depress the brake?
Do you have a trailer brake controller in this truck?
I'll have to do a little digging into the manuals on this one for sure.
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More Turbo
Joined: Mar 2003
Posts: 639
Likes: 1
From: Cool Arizona
yes I do have a brake controller
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More Turbo
Joined: Mar 2003
Posts: 639
Likes: 1
From: Cool Arizona
My brake controller is after market, I definitely will try that. It’s intermittent, when it does it I will give it a try. Thanks
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
Before you get too wild take a good look up under the dash around the brake switch and all it's wiring.
Do some wiggle testing on the wires and see it something shows up. Also run your finger down each
wire and feel for nicks an/or abrasions.
Do some wiggle testing on the wires and see it something shows up. Also run your finger down each
wire and feel for nicks an/or abrasions.
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