The following manual discuss about the 1989 Porsche 944 electrical system service, troubleshooting and wiring diagram. This manual contains detail explanation and description of: Wiring Diagram:
- Central electric system, removing and installing
- Central electric system, assignments
- Cable-harness modification
- Supplementary electrical equipment
- Current flow diagram – type 944 model 82 – 84
- Circuit diagram – type 944 turbo 85/2
- Circuit diagram – type 944 turbo model 86
- Circuit diagram – type 944 turbo, 944 S model 87
- Circuit diagram – type 924 model 86 – 87