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1998 4.3 to 5.7 swap

Electrical wise are the ecm and wiring harness for engines the same ? I saw somewhere that the 4.3 and 5.7 share the same. True ?
- Hazmat Truck
- Thread
- Oct 31, 2023
- Replies: 2
- Forum: Engine Performance + Maintenance
Cab Wiring

Im looking to take the seats and steering column for the silverado ext cab. and install in the WT
- Hazmat Truck
- Post #4
- Jun 13, 2023
- Forum: Wiring Diagrams
Cab Wiring

My WT has gauges. Im looking at like wiring for power seats
- Hazmat Truck
- Post #3
- Jun 13, 2023
- Forum: Wiring Diagrams
Cab Wiring

Do all C1500 cabs share the same basic wiring harness in the same year ? I have a WT and a silverado are the cab harness" the same ?
- Hazmat Truck
- Thread
- Jun 13, 2023
- c1500 wt
- Replies: 3
- Forum: Wiring Diagrams