Brake and ABS warning lights

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rm - 04 Jul 2006 23:19 GMT

Hi Group, I've got a 2001 Ram 4x4 Quad cab. The Brake and ABS indicator
lights are staying on, checked fuses (ok), cycled the parking brake a few
times (no help). No fluids are leaking and braking pressure is fine (except
I don't feel the pulsing when aggressive brake testing, the rear wheels are
locking at this point). Any ideas? Thanks in advance.....rm

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TBone - 05 Jul 2006 04:16 GMT

Two or Four wheel ABS?

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If at first you don't succeed, you're not cut out for skydiving

> Hi Group, I've got a 2001 Ram 4x4 Quad cab. The Brake and ABS indicator
> lights are staying on, checked fuses (ok), cycled the parking brake a few
> times (no help). No fluids are leaking and braking pressure is fine (except
> I don't feel the pulsing when aggressive brake testing, the rear wheels are
> locking at this point). Any ideas? Thanks in advance.....rm

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Christopher Thompson - 05 Jul 2006 18:26 GMT

my guess, the rear wheel speed sensor mounted in the rear axle housing.

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-Chris
05 CTD
06 Liberty CRD

Real trucks don't need spark plugs

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TBone - 05 Jul 2006 19:04 GMT

Possibly but on his year that would also be causing problems with his
speedometer.

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If at first you don't succeed, you're not cut out for skydiving

>
> > Hi Group, I've got a 2001 Ram 4x4 Quad cab. The Brake and ABS indicator
[quoted text clipped - 6 lines]
> >
> my guess, the rear wheel speed sensor mounted in the rear axle housing.

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Ed - 06 Jul 2006 00:11 GMT

I had the same problem on a 1999 Ram plus cruise control wouldn't work. It
turns I had knocked the brake light switch loose. It's an install and set
once part and cannot be adjusted and once I had knocked it out of it's mount
it would not align properly. It cost me about $15 to replace.

To test (I don't know for sure if it's the same for a 2001, put I guess they
would use the same switch...
Remove the electrical connector at the switch
The terminals on the brake lite switch are numbered 1 at the end away from
the plunger and 6 closest to the plunger.
Depress brake pedal and pull the plunger all the way out and test resistance
between pings 5 and 6. If there is a complete open of a complete short the
switch is bad.
Release brake pedal to fully push plunger back in and test between pins 1
and 2. If the switch is completely open it is bad.

> Hi Group, I've got a 2001 Ram 4x4 Quad cab. The Brake and ABS indicator
> lights are staying on, checked fuses (ok), cycled the parking brake a few
> times (no help). No fluids are leaking and braking pressure is fine
> (except I don't feel the pulsing when aggressive brake testing, the rear
> wheels are locking at this point). Any ideas? Thanks in advance.....rm

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rm - 06 Jul 2006 00:26 GMT

Well, whatever I knocked loose (I suppose), got knocked right back to
correctness after sitting overnight in the driveway (weird errant
electrons)...Thanks for the responses and I hope I can repay with some
knowledge

>I had the same problem on a 1999 Ram plus cruise control wouldn't work. It
>turns I had knocked the brake light switch loose. It's an install and set
[quoted text clipped - 17 lines]
>> (except I don't feel the pulsing when aggressive brake testing, the rear
>> wheels are locking at this point). Any ideas? Thanks in advance.....rm

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