Engagement Switch Wiring Harness
- Disconnect switch harness three wire connector at lower part of steering column. Disconnect battery ground cable.
- Connect ohmmeter between Brown/White wire (in main wire harness) and ground. Make sure regulator is well grounded. Ohmmeter should read 42-49 ohms.
- If resistance is above or below specified value, disconnect harness connector at transducer and measure resistance of Brown/White resistance wire. Resistance should measure 38-42 ohms. If resistance not as specified, replace wire harness.
Courtesy of GENERAL MOTORS COMPANY