ABS light on solid, no flashing.
Hotshot
Joined: Jul 2020
Posts: 10,569
Likes: 2,677
From: Near Salt Lake City
The procedure is in your year of trucks service manual
There are subtle differences as to where and which wire to ground, to get the ABS lamp to flash out a code
That is why we need the year or we would have already posted it (possibly) for you
Some of them need the module replaced in order to flash out a code, most need a new RABS valve after flashing a code and the related pinpoint tests
There are subtle differences as to where and which wire to ground, to get the ABS lamp to flash out a code
That is why we need the year or we would have already posted it (possibly) for you
Some of them need the module replaced in order to flash out a code, most need a new RABS valve after flashing a code and the related pinpoint tests
Hotshot
Joined: Jun 2015
Posts: 12,885
Likes: 2,448
The procedure is in your year of trucks service manual
There are subtle differences as to where and which wire to ground, to get the ABS lamp to flash out a code
That is why we need the year or we would have already posted it (possibly) for you
Some of them need the module replaced in order to flash out a code, most need a new RABS valve after flashing a code and the related pinpoint tests
There are subtle differences as to where and which wire to ground, to get the ABS lamp to flash out a code
That is why we need the year or we would have already posted it (possibly) for you
Some of them need the module replaced in order to flash out a code, most need a new RABS valve after flashing a code and the related pinpoint tests
Hotshot
Joined: Jun 2015
Posts: 12,885
Likes: 2,448
The OP has already pulled codes although there is doubt about the code.
Fleet Owner
Joined: Oct 2005
Posts: 20,789
Likes: 1,753
From: Kentucky
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Laughing Gas
Joined: Oct 2014
Posts: 949
Likes: 187
From: Carnation, Wah
Oh, I have a different suggestion- replace the LED in the ABS light with a real light bulb.
And see what happens.
The circuit may not be happy with the resistance of the LED- semiconductor switches not
designed for them back in the 80's may not behave as they should.
Your dim/bright description supports this harebrained theory...
t
And see what happens.
The circuit may not be happy with the resistance of the LED- semiconductor switches not
designed for them back in the 80's may not behave as they should.
Your dim/bright description supports this harebrained theory...
t
Thread Starter
|
4wd Low
Joined: Jul 2024
Posts: 11
Likes: 1
Oh, I have a different suggestion- replace the LED in the ABS light with a real light bulb.
And see what happens.
The circuit may not be happy with the resistance of the LED- semiconductor switches not
designed for them back in the 80's may not behave as they should.
Your dim/bright description supports this harebrained theory...
t
And see what happens.
The circuit may not be happy with the resistance of the LED- semiconductor switches not
designed for them back in the 80's may not behave as they should.
Your dim/bright description supports this harebrained theory...
t
Last edited by LongDongSilver; Jul 9, 2024 at 08:34 PM.
Thread Starter
|
4wd Low
Joined: Jul 2024
Posts: 11
Likes: 1
Okay, so it was definitely just a blown fuse in the cruise control cancelation switch harness. As far as the ABS light, I’ll probably take apart my cluster tomorrow to replace the ABS bulb with a non led. I’ll keep you guys posted so that any future tinkerers can save themselves a migraine or two.
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