5-PIN RELAY EXPLAINED: BENCH TEST, WIRING, AND WHAT’S INSIDE

In this video, we bench-test a Bosch-style round 5-pin automotive relay and walk through exactly how it works.

BENCH TEST VOLTAGE REGULATOR WITH 12V POWER SUPPLY OR TWO 9V BATTERIES

I walk through bench testing a voltage regulator using basic tools to determine whether it was actually faulty or good using a 12v Power Supply and using two 9V batteries.

BENCH TEST ELECTRONIC DISTRIBUTOR, WIRES, AND SPARK PLUGS

In this video, I bench test various electronic ignition components, including a distributor, spark plugs, and spark plug wires.

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PORSCHE 914 AUXILIARY AIR VALVE (AAV) REMOVAL, TEST & REPAIR

In this video I remove the valve, test it on the bench, attempt to free up a frozen spare valve, and reinstall a working unit with a new connector.

FIXING AN OPEN CIRCUIT ON A 1973 PORSCHE 914 RELAY BOARD. WAS IS A DESIGN FLAW?

In this video, I restore a Relay Board found in a box of spare parts that came with a 1973 Porsche 914.

THIS TINY MISTAKE CAUSED MY PORSCHE 914 CHARGING FAILURE

In this video, I walk through the entire diagnostic process and show how I tracked down the problem step by step.

REPLACE REAR BRAKES, MAZDA 3 WITH ELECTRONIC PARKING BRAKE (EPB)

This car is equipped with an Electronic Parking Brake (EPB) and you must put it in maintenance mode to shcnge rears brakes.

PORSCHE 914: WHAT? NO IGNITION LIGHT WITH THE KEY ON. WHAT'S THE PROBLEM NOW?

If your Porsche 914 alternator light won't turn on with the ignition, don't panic! Before you go pulling and replacing a pricey alternator, we need to do some detective work.

Classic Car Parts Testing, Tools, AND Repairs