Manual Transmission

- Check the 40 amp fuse located in cavity 2 of the PDC

- Circuit Z1 also provides ground for the vehicle speed sensor, A/C compressor clutch, 4x4 switch, vehicle speed control, heated oxygen sensor, and PCM. The engine will not start if the vehicle loses this ground. The grounding point for the Z1 ground is the left side shield.

- On diesel engines the T40 circuit is spliced and supplies power for the fuel shut down solenoid