Cruise Control Will Not Resume, Accelerate Or Tap-Up
WARNING: This page is about a different car, the 1998 Pontiac Bonneville, 1998 Oldsmobile Regency, 1998 Oldsmobile LSS, 1998 Oldsmobile Eighty-Eight, and 1998 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect cruise control module assembly connector. Turn ignition switch to RUN position. Turn cruise control switch to ON position. Using a test light connected to ground, probe cruise control module assembly connector (harness side) terminal "C" (Gray/Black wire). See WIRING DIAGRAMS . While observing test light, press and hold cruise control switch in R/A position. If test light illuminates, go to next step. If test light does not illuminate, go to step 3).
- Ensure cruise control module assembly connector terminal "C" (Gray/Black wire) is clean and tight. If connection is okay, replace cruise control module assembly. See CRUISE CONTROL MODULE ASSEMBLY under REMOVAL & INSTALLATION.
- Check for an open or short to ground in Gray/Black wire between cruise control module assembly and multifunction lever (cruise control switch). If Gray/Black wire is okay, replace multifunction lever (cruise control switch). See STEERING COLUMN SWITCHES article.