Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Geo >> 1989 >> Spectrum 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> TPS Resistance >> System/Component Tests >> Vehicle Speed Sensor (Metro)

Vehicle Speed Sensor (Metro)

Download the full database via torrent (~1.1 TB)  |  Custom patches

Disconnect battery. Remove instrument cluster. Connect ohmmeter between "GND" screw and "RSW" screw of combination meter. See Fig 1 . Turn cable joint of speedometer with a screwdriver. Ohmmeter should vary between infinite and zero ohms of resistance 4 times for every one revolution of speedometer cable joint.

Fig 1: Vehicle Speed Sensor Terminal Identification
G121711Courtesy of GENERAL MOTORS CORP.