Plug on Power Steering Pump
#1
Staging Lane
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Join Date: Apr 2009
Location: Long Beach Ca
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Plug on Power Steering Pump
I noticed that there is a plug on my power steering pump but the engine harness does not have a connector for it. I am not too concerned about it as it is probably for a "low fluid light" in the dash as the PCM does not need this info, but I just wanted a confirmation.
#3
TECH Regular
What vehicle is the pump off of? Some suv's in the 90's had variable effort steering and that sopenoid controlled the pump's output. It is at the bottom rear of the pump near the high pressure outlet.
#4
or idle switch. it signaled the demand for torque and would raise the idle speed slightly when turning the wheel
#5
Staging Lane
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the engine is out of an 02 silverado and I assume the PS pump is stock. although the connector is on a plastic cylinder that is over the high pressure output. Is it possible that my pump needs some input signal to function?
#7
Staging Lane
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thanks for the relies, that is an interesting piece of functionality, I wonder what type of signal it takes and what it's rang is as far as reducing the pressure. not going to worry about that right now though as its not even going to be connected to anything for a wile.
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#8
TECH Regular
If I remember correctly it uses vehicle speed and a steering wheel speed/position sensor to determine how much assist to provide. It is prone to failure and the most common symptom is that the steering darts sharply while on swooping exit ramps. I have a 99 suburban with this system and it used to intermittently do this. I would just leave it alone and unplugged
#9
On The Tree
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If I remember correctly it uses vehicle speed and a steering wheel speed/position sensor to determine how much assist to provide. It is prone to failure and the most common symptom is that the steering darts sharply while on swooping exit ramps. I have a 99 suburban with this system and it used to intermittently do this. I would just leave it alone and unplugged