use with 700R4 or 2004R automatic trans. EXCEPT 4L60E or 4L80E. Completely externally installed kit... see moreuse with 700R4 or 2004R automatic trans. EXCEPT 4L60E or 4L80E. Completely externally installed kit allows for automatic operation of the torque converter lock-up (overdrive) without installing the computer!!!! Kit includes instructions.
Note: Harness comes with 20840 blower switch jumper & 37634 power wire from horn relayNote: Harness comes with 20840 blower switch jumper & 37634 power wire from horn relay