Help - hydroboost brake conversion now ABS light on

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Oct 23, 2011 | 08:29 PM

wildstang

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VT Chapter Ldr

Joined: Apr 2004

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From: Orange, Vermont

Help - hydroboost brake conversion now ABS light on

Did the hydro boost conversion last night but the master cylinder doesn't have the plug in for the ABS on it? Any ideas what to do? I'm not sure what year the master cylinder is from. Do later obs F superduty have ABS on the hydro boost master cylinder?

Oct 24, 2011 | 09:25 AM

wildstang

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VT Chapter Ldr

Joined: Apr 2004

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From: Orange, Vermont

Bump up for myself. Any help appreciated.

Oct 24, 2011 | 04:54 PM

wildstang

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VT Chapter Ldr

Joined: Apr 2004

Posts: 96,116

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From: Orange, Vermont

Might of solved it. I took the sensor out of the vacuum master cylinder and just plugged it into the harness and light is off. Will need to drive it some to try it.

Oct 25, 2011 | 07:53 PM

RÖENTGEEP

FOREIGN GURU

Joined: Jul 2006

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From: Celaya, Gto. MX

Jim,
Let us know how it goes. Id like to do the hydro boost conversion some day

Oct 25, 2011 | 08:51 PM

Brown Falcon

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Joined: Jul 2008

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From: Thomasville, GA

I'm curious as well. It's on my list of mods to do...

Oct 25, 2011 | 09:42 PM

wildstang

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VT Chapter Ldr

Joined: Apr 2004

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From: Orange, Vermont

I drove it around 8 miles yesterday and the light never came on. So right now it seems like just plugging in the sensor is all it needs. Maybe when working correctly it completes the circuit.

Swap was fairly simple. I couldn't get any help on making sure the lines are correct but seems to work the way I got it, which may be correct.

So far I like the consistent pedal but feels like I need more effort pushing on it. not a lot more though.