GM Service Manual Online
For 1990-2009 cars
Table 1: PTO Switch
Table 2: Upfitter Power Take-Off Connector

PTO Switch


Object Number: 68730  Size: CH

Connector Part Information

    • 12047782
    • 3-Way M Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit Number

Function

A

PNK

39

Ignition 1 Voltage

B

LT GRN

488

PTO On Switch Signalt

C

BLK/WHT

451

PCM Ground

Upfitter Power Take-Off Connector


Object Number: 524196  Size: CH

Connector Part Information

    • 12047937
    • 8-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit Number

Function

A

BLK/WHT

451

Ground

B

GRY/BLK

87

Cruise Control resume/Accel Switch Signal

C

DK BLU

84

Cruise Control Set/Coast Switch Signal

D

LT GRN

488

PTO On Switch Signal

E

--

--

Not Used

F

PPL

2562

PTO Control

G

--

--

Not Used

H

LT BLU

494

Engine Shut Off Signal