Quote:
Originally Posted by wackymac
TeJay--- The OP said something about a "booster motor" running and the ABS light is on. Isn't there a motor that runs when the wheels lock up and pulses the brakes? Under normal operation I didn't think a motor ran when using the brakes but I may be wrong.
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There is a difference between Ford and GM Hydrobost but far as I know it is how they sense engine.. GM uses a flow switch (like a sail switch on a furnace only for Liquid instead of air) in the Power steering line.
IF the engine is NOT running, and you press the breaks, an ELECTRIC "Boost" motor is engaged to provide brake boost.
Linear Mode
