The high-tension (HT) or secondary circuit carries high-voltage electricity. It runs from the secondary coil of the coil through the distributor to the plugs. Any of those cans break down and cause ignition failure. Do not touch any part of the HT circuit with bare hands when the ignition is switched on. Work with pliers and screwdrivers that have thickly insulated plastic handles. Lookout to not touch any metal parts of the tools. Since HT-circuit checks involve using the car’s HT leads,  Begin by testing the results in confirm that they’re sound. The high-tension (HT) circuit Testing the coil secondary winding To check the secondary coil, begin the cap and detach the central HT lead. Remove or keep off the … Continue reading Checking the high-tension circuit