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1968-1971 Corvette Transistor Ignition K66 Extension Wiring Harness

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Lectric Ltd
Part #: 617-845
Availability: Currently Unavailable - Most out of stock items are available to ship within 7-10 days.
Fits Years:
  • 1968-1971
Prop 65
  • Description

1968-1971 Transistor Ignition K66 Extension Wiring Harness

This 1968-1971 Corvette Transistor Ignition Amplifier Box Extension Wiring Harness, 2nd design with pigtail on amplifier box.  Wire runs from the internal circuit board to Transistor Ignition Auxiliary Harness connector.

The Transistor Ignition (T.I.) Amplifier Box Extension is the short wiring that goes from the internal circuit board (inside the T.I. box) that includes the rubber molded T.I. Amplifier box housing connector -to- the T.I. Auxiliary Harness molded rubber connector. Basically, it is the wiring exiting the amplifier box.

This extension appears to be is the weakest link in the entire T.I. system and must be replaced if you have not already done so. Over the years, the spring-tension on the female terminals of this wiring will lose their grip on the male terminals they connect to, causing your engine to quit!

Our Original Design Series™ wiring harnesses are manufactured exactly as the wiring was made when your vehicle left the factory in St. Louis. These harnesses are made to the exact O.E.M. (original equipment manufacturer) specifications, using the original factory blueprints, and are factory-correct in every way. These are full-assembled, ready to install, “plug & play” accurate reproduction wiring harnesses. You will NOT have to cut any wires, crimp any terminals, or make any modifications to these harnesses when installing them in your 1968-1971 Corvette.

A commonly asked question and a much needed answer is "What does this harness" connect to?


1968-1971 Corvette Transistor Ignition Amplifier Box Extension Wiring Harness Connects to:

  • Harness Connections (on the circuit board Inside an original T.I. box)
  • Transistor Ignition Auxiliary Harness Connection

Also known under these part numbers:

  • VTR6871BXT