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4L60E to 4L80E Upgrade Harness
4L60E to 4L80E Upgrade Harness
Starting Price: $175.00

Availability:: Usually Ships in 24 to 72 Hours

4L80E Upgrade

Vehicle Application*:
99-06 Camaro/Firebird/Truck (LS1 Style ECM)
96-00 Vortec Truck (5.0/5.7 CPI)
93-95 Trucks (5.0/5.7 TBI)

If switching from a 4L60E to a 4L80E transmission, this is the adapter harness needed for correct operation of the new transmission. Includes adapter and ISS (input speed sensor) harness. ECM reprogramming required for proper operation.

If you're just needing the ISS pigtail only, please call us at 765-378-4908 to order.

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