Cruise control not working
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Cruise control not working
I've got a 2002 F350 that I bought about a year ago and the cruise didn't work when I got it. Made for a long trip from Arizona to Iowa. The airbag light was on and the horn didn't work so I jumped to the conclusion that it was the clock spring. I changed it tonight and now the horn works and no light but I still don't have cruise. The cruise light doesn't come on at all, and I pushed the buttons hard and multiple times. Checked the fuse that I believe is for the cruise, right row of fuses fourth one down, and it was good. Going on a road trip to Kansas for Thanksgiving and I really would like cruise. Any ideas? Also this truck has had a packbrake and a banks trans command added to it and neither of those work as well. Nothing like trying to fix something that someone has already had their hands in.
i ain't rite
Joined: Mar 2005
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From: Marlboro Mental Hospital.
check to see if the plug on the bottom of the master cylinder is disconnected.
my bet is the previous owner never had the cruise recall done, and just unplugged the cruise control switch on the master.
and if it the plug is off, look to see if there is a fuse in the line rite there at the switch. if there is, you can hook it up and try it.
if there is no fuse in the harness, leave it unhooked until you can get it to ford for the recall. the switch is known to leak and short out the wires, burning the truck to the ground.
my bet is the previous owner never had the cruise recall done, and just unplugged the cruise control switch on the master.
and if it the plug is off, look to see if there is a fuse in the line rite there at the switch. if there is, you can hook it up and try it.
if there is no fuse in the harness, leave it unhooked until you can get it to ford for the recall. the switch is known to leak and short out the wires, burning the truck to the ground.
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From: San Diego area
After you've done the safety checks already mentioned, you may try just replacing the entire switch assembly on the wheel. They are available on ebay and are easy to change - just two screws on the back of the wheel spokes.
Worked for me.
Worked for me.
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It is an automatic. I was curious if anyone has had any luck with the self test? I drove to the in-laws for Thanksgiving and as luck would have it one of them happens to have the ford service manual for 2002. We followed the test directions (hold the off button while turning ignition on with the park brake engaged) and couldn't get it to work on mine (wouldn't flash the cruise light). We tried it on his knowing that the cruise is works and it didn't work either. Anyone got it to work for them?
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This is the procedure that I tried using right out of the manual but I never got a light to flash:
*cruise control self test*
Enter self-test diagnostics by depressing the speed control OFF switch while turning the ignition key ON, making sure the engine does not start and is not running. The speed control indicator on the instrument panel
will flash once to indicate that speed control module entered the diagnostic mode. Five additional flashes at this point indicate a defective speed control servo. Release the OFF switch.
Press the remaining switches in this sequence: ON, RESUME, COAST and SET/ACCEL.
If the ON switch is not depressed within five seconds after entering the diagnostics mode, the module times out and the procedure must be started over.
The speed control indicator lamp will flash as each switch is depressed. Press each switch in the sequence immediately after the indicator light goes out for the previous switch.
NOTE: There will be a slight delay when the last button is pressed and the lamp flashes.
A lamp flash with the last button (SET/ACCEL) indicates that the static test passed. If the lamp does not flash with the last button and there are no additional flashes of the lamp, the switch is defective.
If the lamp does not flash with the last button, and additional flashes occur, follow the chart below for trouble codes:
2 flashes - BPP defective, circuit is defective, brake applied, CPP switch or jumper (if equipped).
3 flashes - deactivator switch is open or circuit defective.
4 flashes - vehicle speed signal is out of range or circuit is defective
Immediately (.25 second delay) after the static test, the speed control servo does a dynamic test by automatically actuating the throttle lever from 8 mm (0.315 in) to 12 mm (0.472 in) of travel from the idle position. During the dynamic throttle pull, observe throttle movement to witness any binding or sticking of the speed control cable and correct connection of speed control cable to throttle lever. Make sure the throttle returns to the idle position
*cruise control self test*
Enter self-test diagnostics by depressing the speed control OFF switch while turning the ignition key ON, making sure the engine does not start and is not running. The speed control indicator on the instrument panel
will flash once to indicate that speed control module entered the diagnostic mode. Five additional flashes at this point indicate a defective speed control servo. Release the OFF switch.
Press the remaining switches in this sequence: ON, RESUME, COAST and SET/ACCEL.
If the ON switch is not depressed within five seconds after entering the diagnostics mode, the module times out and the procedure must be started over.
The speed control indicator lamp will flash as each switch is depressed. Press each switch in the sequence immediately after the indicator light goes out for the previous switch.
NOTE: There will be a slight delay when the last button is pressed and the lamp flashes.
A lamp flash with the last button (SET/ACCEL) indicates that the static test passed. If the lamp does not flash with the last button and there are no additional flashes of the lamp, the switch is defective.
If the lamp does not flash with the last button, and additional flashes occur, follow the chart below for trouble codes:
2 flashes - BPP defective, circuit is defective, brake applied, CPP switch or jumper (if equipped).
3 flashes - deactivator switch is open or circuit defective.
4 flashes - vehicle speed signal is out of range or circuit is defective
Immediately (.25 second delay) after the static test, the speed control servo does a dynamic test by automatically actuating the throttle lever from 8 mm (0.315 in) to 12 mm (0.472 in) of travel from the idle position. During the dynamic throttle pull, observe throttle movement to witness any binding or sticking of the speed control cable and correct connection of speed control cable to throttle lever. Make sure the throttle returns to the idle position
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Lead Driver
Joined: Jun 2004
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From: Amarillo, TEXAS!
I'd have to imagine that is for gas engine trucks. The 7.3 has no speed control servo or throttle lever.
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I wondered about that. It doesn't specify in the manual that it works for all trucks. I did check the switch on the master cylinder and it is plugged in. I'm wondering if it is in the steering wheel switch. If it has had the recall done to the pressure switch, how would you know? Also, is that switch normally open or normally closed?
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scottie2hottie
1987 - 1996 F150 & Larger F-Series Trucks
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Apr 18, 2007 02:05 PM