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How to Reset Tachometer Needle Zero Position: Mechanical Calibration Guide(Post)
This procedure is rarely needed, but when it is, the mechanical fix is simple. Is this your problem?If your tachometer needle sits below zero when the ignition is ON, your needle is mechanically ou ...
1990, 1991 and 1992 Camaro Speedometer repair resources(Post)1990-92 Camaro speedometer repair can be challenging. Here is a collection on links to our blog posts to help you get your speedometer working again. 1990–1992 Camaro Speedometer Circuit Board ...
Back in stock - Tachometer Speedometer Tester - 3rd addition(Post)Tachometer Speedometer Tester 1967-1992 Camaro, Firebird, 1960's - early 1990's GM ( 3rd Edition )Back in stock. On sale now for a limited time.This is a great tool for testing Automotive gauges.&nbs ...
How to perform a Voltage drop test(Post)This test checks for voltage being lost along a wire, or through a connection or switch. (see diagram below) Connect the positive lead of a Digital Voltmeter (DVM) to the end of the wire (or to one ...
How a signal filter can help your Tachometer read properly(Post)If your tachometer seems to have a bouncing needle, only seems to work in a small range, or floats on acceleration, a Tachometer Filter just may solve the problem. What the Tachometer circuit board d ...
1990-92 Camaro Speedometer Repair(Post)The 90-92 Camaro used a different speedometer set up than the prior or later years of the Camaro. The circuit board that drive the speedometer motors is located in the gauge cluster housing. It is n ...
General Motors VATS (Vehicle Anti-Theft System) wrong key, missing key, or erratic operation(Post)Restore starting on your GM when the VATS pellet key or reader circuit is the problem. Vehicle Won’t Start? Your GM’s VATS System Might Be the Reason If your GM uses the VATS (Vehicle Ant ...
Pontiac Fiero Speedometer Wiring and Troubleshooting Guide(Post)Pontiac Fiero Speedometer Wiring and Troubleshooting Guide The speedometer system in the Pontiac Fiero uses a combination of electronic components and wiring to accurately display vehicle speed. Unde ...
Engine Noise Diagnostic Guide: Identifying Knocks, Clicks, and Taps in Classic GM V8s(Post)For classic GM and Pontiac owners, the engine often speaks before it breaks. Learning to "read" these sounds can be the difference between a simple bearing refresh and a catastrophic block failure.
A common cause of erratic Tachometer readings(Post)The tachometer circuit Board receives a signal from the ignition system that it uses to determine the engine speed.The signal frequency is typically in the 40-600 Hz range. (40-600 cycles per second) ...
Blog e-Articles(Page)Brief posts of information to help repair and maintain your Camaro, Firebird, Fiero, or other classic GM vehicle.
About(Page)About WestCoast AutoParts.com WestCoast AutoParts.com is the online store of WC Parts Source LLC. Founded in 2013, we evolved from GM Performance, a specialty parts business established in the e ...