Hey there, Im trying to figure out how to find a schematic diagram for the cruise control on my 99 Mustang GT. Ive check fuses HOPEFULLY thinking itll be one of those. Other than that, I dontknow where to start. Any advice
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Re: 99 Mustang GT Cruise Control
What exactly is it doing or not doing for that matter. Check vacuum lines going to the unit and see if you have any broken hoses. I'll try to get a schematic to you. It's best if you give me your email address so I can send it to you.
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disable, it for ever? why not pull the cruise switch connector pins.
or just doing service on it.
why not tell goal, what are you doing,
we can not guess that.
no matter, what the FSM covers that.
why not read that.?
Jeep model WJ
here is your answer on fuses.
on modern cars Cruise, is just part of the EFI system.
It's 99% software.
there is NO CRUISE MODULE.
ESCS is the electronic speed control servo. (solidnoid box)
the PCM supplies power to the ESCS so , if you kill power to the
PCM the engine is now dead. no EFI.
you can try unplugging the ESCS connector
ive no idea how unhappy the PCM will be, why risk that?
do so on a test track or off road, and not kill US, on the road.
on newer cars the PCM slams you to LIMPHOME, for that trick.
no engine power and sucks fuel.
why not stated end goal and ask how to do this safely.?????
I have a 1998 GMC Safari van in which the cruise control has quit. It didn't go all at once. It would work intermittently. Sometimes going 5 miles or so and then shutting off and then after another few miles, it would set again. This sounds to me like something getting hot. Is there a circuit breaker for the cruise control...or? I can't seem to find a good schematic/diagram for the unit. Driving me nuts! I don't want to have to buy a whole new module if there is a simple fix.
If fuses are good, check power to the cruise control with multi-tester, voltmeter, or equivelant. If there is power, than the cruise control accumulator is shot. If there is still no power, the switch is bad.