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Home >> Pontiac >> 1991 >> 6000 SE >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Testing >> Cruise Control Short Test >> 4-Cylinder Models

4-Cylinder Models

  1. Disconnect ECM connectors. Remove RADIO fuse. Connect a test light to fuse terminals. Move main cruise control switch to OFF position. Turn ignition on. If test light does not come on, go to next step. If test light comes on, repair short to ground in wiring harness.
  2. Press and hold brake pedal. Turn cruise control main switch to ON position. If test light does not come on, go to next step. If test light comes on, check for short to ground in Gray wire between ECM White 24-pin connector terminal No. 20 and multifunction lever connector terminal E2. See Figure and Figure . If wire is okay, replace multifunction lever.
  3. Release brake pedal. If test light does not come on, go to next step. If test light comes on, repair short to ground in Brown wire between ECM Black 24-pin connector terminal No. 14 and brake switch. See Figure .
  4. Press and hold cruise control set switch. If test light does not come on, go to next step. If test light comes on, check for short to ground in Dark Blue wire between ECM White 24-pin connector terminal No. 21 and multifunction lever connector terminal E3. See Figure and Figure .
  5. Move cruise control main switch to R/A position and hold. If test light does not come on, replace fuse and repeat BASIC OPERATION TEST  . If test light comes on, check for short to ground in Gray/Black wire between ECM White 24-pin connector terminal No. 4 and multifunction lever connector terminal E4. See Figure and Figure .
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