Why choose our diagnostic harness?
3-Pin MAP Throttle Position Sensor Test Harness, Fit for GM Chevrolet 1985-1991 C4 Corvette
The protective outer layer resists wear and stains, withstands extreme environments, and remains unchanged despite repeated plugging and unplugging
The 5-inch wiring harness with alligator clips allows direct connection to a multimeter to monitor voltage fluctuations as the throttle position changes, pinpointing the root cause of problems like unstable idling and weak acceleration
Note: Please turn off the engine before testing to avoid short circuit