GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Connector C104, Engine Control Module (ECM), PTO Relay, Turn Signal/Multifunction and PTO Switches


Object Number: 1395509  Size: FS
Master Electrical Component List
Power Take-Off (PTO) Description and Operation
Connectors C106, C120, C209 and Engine Control Module (ECM)
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8 and Fuse Block - I/P - 2: Circuit Breake
Fuse Block 1: Fuse 5 and Fuse Block - I/P - 1: Circuit Breakers 5, 9 - 1 of 2 and 10
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8 and Fuse Block - I/P - 2: Circuit Breake
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8 and Fuse Block - I/P - 2: Circuit Breake
Fuse Block 1: Fuse 5 and Fuse Block - I/P - 1: Circuit Breakers 5, 9 - 1 of 2 and 10
Cruise Control Schematics
Splices S302 and S303
Grounds G410 and G411 and Splices S101, S105 and S107
Figure 2:

Connectors C106, C120, C209 and Engine Control Module (ECM)


Object Number: 1395517  Size: FS
Master Electrical Component List
Power Take-Off (PTO) Description and Operation
Connector C104, Engine Control Module (ECM) PTO Relay, Turn Signal/Multifunction and PTO Switches
Splices S305 and S500
Batteries, Grounds G400 and G402, Splices S113, S120, S121, S123, S124, S202 and S211 and Splice Pack SP400