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IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.Reproduction Of Original Correct Color Wiring Correct Connectors Ignition Switch To T.I. Harness Transistorized Ignitions (TI) also known as Delcotron Transistor Control Magnetic Pulse Ignition Systems were available for the Camaro from the Heavy Duty (read RACE) Parts catalog over the counter at your local GM dealership. These special transistor controlled ignition systems were developed for high performance and racing use to replace the traditional point-fired ignition system that came standard on most vehicles which were later replaced with the first HEI optional distributors in 1970. These transistorized ignitions were still used as the standard in heavy duty, high performance Chevrolet ignition systems until its demise from racing in the early 1980?s. TI systems work by overcoming the common problems with points-style ignition systems. At high RPM, points systems can ?bounce? or skip unless replaced with high tension point set limiting the rev capability of the engine. Replacing the factory points with high tension points often wore the rubbing block at a faster rate resulting in increased dwell and retarded spark. The problem became critical when used on endurance type events such as NASCAR or Trans Am racing. TI systems overcome both problems creating a reliable ignition system up to 10,000 RPM or more. To identify if you have a TI system in your car you will have a ?finned? amplifier box and bracket attached to the hood latch support, magnetic pulse distributor and special wiring harness.