This is a hard-to-find original NOS Factory Rear Window Defogger Harness. The harness is a reproduction with connectors and specifications that are original and as close as possible to the NOS version. The harness for sale measures 203" in length and comes in original AWG purple and AWG resistance wiring with correct Packard double Flat or T-Type switch and 1st Generation rear blower connectors. Green main wiring was used until 1966, and Purple from 1967 onwards.
 
There are many vendors claiming their harnesses will fit 60s Pontiac (P8) Full Size and (T6/T8) Tempest, Lemans, GTO, but in reality, they don’t work. The 1964-1967 T6/T8 Lemans/GTO used a single Green main harness wire from the switch connector all the way back to the blower. The resistor wire (High/Low Speed) was part of the switch assembly wiring. From 1965 FS and 1968 T6-T8 onwards, Pontiac switched to a double wire harness design from the switch connector, with the resistor wire running parallel to the main wire for 54" before connecting to the main wire to achieve high and low speeds.
 
Pontiac Part Number: 9788546
Note: Specify the year of your application to ensure the correct wire color and Packard connector type.
Fitment: 1965-1968 P8 Full Size Bonneville, Catalina, Ventura, Star Chief, 2+2, Grand Prix models
 
I have tried to depict the part as accurately as possible, but chrome parts make that difficult without some glare. I will combine shipping on multiple purchases.
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Tags: Pontiac, Bonneville, Catalina, Star Chief, Executive, Grand Prix, 2+2, Lemans, Tempest, GTO, Grandville
 
GM Tags: Chevrolet, Buick, Oldsmobile, Belair, Impala, Caprice, Chevelle, LeSabre, Electra, Eighty Eight, 88, Ninety Eight, 98, Cutlass, 442, Tornado, Grand Sport, Wildcat