What's this? Wires disconnected

[J4TY]

Found this wire broken, it's on the passenger side, looks like it's connected to some sort of vacuum valve

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[theguruat12]

That's your low vacuum warning sensour. It triggers the BRAKE light on the dash. Essentially, they signal a vacuum leak or a failed vacuum pump and warn you that you've lost your power brakes.

Just go to Harbor Freight and get a pack of 14-16 gauge heat shrink butt connectors, strip the wires, crimp them together, and hit it with a heat gun to shrink and seal it. They do NOT come apart. I hate the normal ones because with some vibration, they can come off. The heat shrink ones with the hot glue inside are EXTREMELY hard to pull apart, and I feel safe using them.

 

[J4TY]

Would this cause my rear antilock brake warning light to come on


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[Wyreth]

Would this cause my rear antilock brake warning light to come on


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Not on my truck at least, as I've still not gotten around to hooking it back into the vacuum manifold. So my brake light has been on for about a year now, but no RABS light.

 

[J4TY]

thanks for the info