ABS test port
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Senior User
Joined: Feb 2004
Posts: 144
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From: Kansas
ABS test port
I can not find the abs test port on both my 1992 and 1993 f250 supercab trucks. I can find the ECM port and I think the DSS (differential speed sensor) right next to it but not for the RABS, I have looked every where that the book says, but I i am not sure what it looks like, or how many wires it should have. PLEASE HELP!
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Joined: Aug 2002
Posts: 12,679
Likes: 15
From: BC, Canada
These trucks don't have a test port. They have a black/orange wire that you momentarily ground to start the ABS light on the dash flashing. You count the flashes for the code.
I haven't worked on an older (in dealership years) truck in a while but I think the wire is behind the glove box. Or attached to the dash brace near the brake pedal. Sorry I don't remember exactly where it is.
You're looking for a single connector with a red wire on one side and the black/orange wire on the other. You disconnect the connector, turn the key on and momentarily ground the black/orange wire.
I haven't worked on an older (in dealership years) truck in a while but I think the wire is behind the glove box. Or attached to the dash brace near the brake pedal. Sorry I don't remember exactly where it is.
You're looking for a single connector with a red wire on one side and the black/orange wire on the other. You disconnect the connector, turn the key on and momentarily ground the black/orange wire.
