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Tim's Auto Repair
Tim's Auto Repair, mechanic
Category: Chevy
Satisfied Customers: 15880
Experience:  Have owned a repair shop for 25 yrs.
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1993 chevy caprice classic: wagon..cruise control..I turn the wipers

Customer Question

the wipers on my 1993 chevy caprice classic wagon (66k miles) stopped working. Both the wiper control and the cruise control on are on the turn signal arm. When I turn the wipers on by turning the turn signal arm, the engine revs up. Doesn't matter if I try to turn it to delay or all the way on, the engine revs up when I do this. Is this somehow tied in to the cruise control?? It doesn't matter if the cruise control is turned off or on. I checked fuses, they are all good.
thanks for your help
Submitted: 7 years ago.
Category: Chevy
Expert:  Tim's Auto Repair replied 7 years ago.

hi

this may be a problem with the multifunction switch,,it may be bad

thanks

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Service and Repair

 




REMOVAL
Remove or disconnect the following:

 

  1. Make sure the lever is in the center or "Off" position.
  2. Negative battery cable.
  3. Disable the SIR system.
  4. Inflator module.
  5. Tilt wheel lever.
  6. Horn contact (if equipped with SIR).
  7. Horn pad assembly (if not equipped with SIR).
  8. Steering wheel nut.
  9. Steering wheel using a steering wheel puller.
  10. Knee bolster.
  11. Loosen steering column bracket nuts.
  12. Two TORX(R) head screws from lower column cover.
  13. Lower column cover. Tilt cover down and slide back to disengage locking tabs.
  14. Two TORX(R) head screws from upper column cover.
  15. Steering column lock set.
  16. Upper column cover.
  17. Two wire harness straps from steering column wire harness.
  18. Retainer CPA and connector from BTSI.
  19. Steering column bulkhead connector from vehicle wire harness.
  20. Gray and black connectors of switch from column bulkhead connector.
  21. Two TORX(R) head screws on switch.
  22. Multifunction turn signal/hazard switch.

INSTALLATION

CAUTION: Always use the correct fastener in the proper location. When you replace a fastener, use ONLY the exact part number for that application. The manufacturer will call out those fasteners that require a replacement after removal. The manufacturer will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion Inhibitors) on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and joint clamping force, and may damage the fastener. When you install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and systems.

Install or connect the following:

  1. Multifunction turn signal/hazard switch.
    • Use small blade screwdriver to compress electrical contact and move multifunction switch into position.
    • Electrical contact must rest on cancelling cam assembly.
  1. Two TORX(R) head screws on switch. Tighten to 6 Nm (53 inch lbs.) .
  2. Gray and black connectors of switch to column bulkhead connector.
  3. Steering column bulkhead connector to vehicle wire harness.
  4. Connector and retainer CPA to BTSI.
  5. Two wire straps on steering column wire harness.
  6. Upper column cover.
  7. Steering column bracket nuts. Tighten to 30 Nm (22 ft. lbs.) .
  8. Knee bolster.
  9. Steering column cylinder lock set.
  10. Two TORX(R) head screws to upper column cover. Tighten to 1.4 Nm (12 inch lbs.) .
  11. Lower column cover.
  12. Two TORX(R) head screws to lower column cover. Tighten to 6 Nm (53 inch lbs.) .
  13. Make sure the lever is in the center or "OFF" position.
  14. Steering wheel onto the steering shaft.
  15. Steering wheel nut. Tighten to 40 Nm (29 ft. lbs.) .
  16. Horn pad assembly (if not equipped with SIR).
  17. Horn contact (if equipped with SIR).
  18. Inflator module.
  19. Tilt wheel lever.
  20. Negative battery cable.
  21. Enable the SIR system (if equipped).
Multifunction Turn Signal/Hazard Switch Replacement

 




REMOVAL
Remove or disconnect the following:

 

  1. Make sure the lever is in the center or "Off" position.
  2. Negative battery cable.
  3. Disable the SIR system.
  4. Inflator module.
  5. Tilt wheel lever.
  6. Horn contact (if equipped with SIR).
  7. Horn pad assembly (if not equipped with SIR).
  8. Steering wheelnut.
  9. Steering wheel using a steering wheel puller.
  10. Knee bolster.
  11. Loosen steering column bracket nuts.
  12. Two TORX(R) head screws from lower column cover.
  13. Lower column cover. Tilt cover down and slide back to disengage locking tabs.
  14. Two TORX(R) head screws from upper column cover.
  15. Steering column lock set.
  16. Upper column cover.
  17. Two wire harness straps from steering column wire harness.
  18. Retainer CPA and connector from BTSI.
  19. Steering column bulkhead connector from vehicle wire harness.
  20. Gray and black connectors of switch from column bulkhead connector.
  21. Two TORX(R) head screws on switch.
  22. Multifunction turn signal/hazard switch.

INSTALLATION

CAUTION: Always use the correct fastener in the proper location. When you replace a fastener, use ONLY the exact part number for that application. The manufacturer will call out those fasteners that require a replacement after removal. The manufacturer will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion Inhibitors) on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and joint clamping force, and may damage the fastener. When you install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and systems.

Install or connect the following:

  1. Multifunction turn signal/hazard switch.
    • Use small blade screwdriver to compress electrical contact and move multifunction switch into position.
    • Electrical contact must rest on cancelling cam assembly.
  1. Two TORX(R) head screws on switch. Tighten to 6 Nm (53 inch lbs.) .
  2. Gray and black connectors of switch to column bulkhead connector.
  3. Steering column bulkhead connector to vehicle wire harness.
  4. Connector and retainer CPA to BTSI.
  5. Two wire straps on steering column wire harness.
  6. Upper column cover.
  7. Steering column bracket nuts. Tighten to 30 Nm (22 ft. lbs.) .
  8. Knee bolster.
  9. Steering column cylinder lock set.
  10. Two TORX(R) head screws to upper column cover. Tighten to 1.4 Nm (12 inch lbs.) .
  11. Lower column cover.
  12. Two TORX(R) head screws to lower column cover. Tighten to 6 Nm (53 inch lbs.) .
  13. Make sure the lever is in the center or "OFF" position.
  14. Steering wheel onto the steering shaft.
  15. Steering wheenut. Tighten to 40 Nm (29 ft. lbs.) .
  16. Horn pad assembly (if not equipped with SIR).
  17. Horn contact (if equipped with SIR).
  18. Inflator module.
  19. Tilt wheel lever.
  20. Negative battery cable.
  21. Enable the SIR system (if equipped).
Tim's Auto Repair and other Chevy Specialists are ready to help you
Customer: replied 7 years ago.

I thought that's what it was probably going to be. I'l hunt around for a replacement arm.

thanks for the installation instructions, and diagrams. That will help a lot.

Expert:  Tim's Auto Repair replied 7 years ago.

you are welcome...please print..

thanks for useing justanswer