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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (Instrument Panel - C/K Series Pickups) >> Component Tests >> Vehicle Speed Sensor Testing & Diagnosis >> Sensor Resistance Test

Sensor Resistance Test

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1991 GMC Pickup, 1991 GMC Cab & Chassis, 1991 GMC C3500 HD, 1991 Chevrolet Pickup, and 1991 Chevrolet Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect vehicle speed sensor harness connector at transmission, and test resistance of sensor. If sensor resistance is 900-2000 ohms, reconnect harness, and go to Functional Test . If sensor resistance is not 900-2000 ohms, replace vehicle speed sensor, and recheck system.

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