Wiring Variations - Control Unit Multi Plug

Applies To 5000, 4000,

Group

COUPE

1980 to 1984 25

Subject Key Points

Number

Electronic Control Unit Wiring variations - control unit
85-25-03
for Oxygen Sensor multi-plug

Part Identifier 2511 (Supercedes P-circular, Group 25, No. 84-02) C July 5, 1985

When replacing Oxygen Sensor control unit, check part number of new unit against original unit.

If control unit with a different part number is to be installed, wiring of multi-plug harness must correspond to new control unit, See control unit variation list below for required connector wiring.


Model Model Year Control Unit P/N Wiring for terminals 7

and 12 Terminal 26 bridged to:

4000, 5000 1980 California 035 906 263 Bridge 7 to 12 No bridge
Coupe 035 906 263D Bridge 7 to 12 26 to 32
035 906 263F 7 vacant, 12 wired 26 to 32

4000, 5000 1981 - 82 49
States 035 906 263E Bridge 7 to 12 26 to 32
Coupe 035 906 263F 7 vacant, 12 wired

26 to 32

4000, 5000 1981 - 82
California 035 906 263D Bridge 7 to 12 26 to 31
Coupe 035 906 263F 7 vacant, 12 wired 26 to 31

4000, 5000 1983 49 States 035 906 263F 7 to Full Throttle Switch 26 to 32
Coupe 12 to Thermal Switch

4000, 5000 1983 California 035 906 263F 7 to Full Throttle Switch 26 to 31
Coupe 12 to Thermal Switch

5000, Coupe 1984 49 States 035 906 263F 7 to Full Throttle Switch 26 to 32
12 to Thermal Switch

5000, Coupe 1984 California 035 906 263F 7 to Full Throttle Switch 26 to 31
12 to Thermal Switch