Test A: Step 6

6) Isolating SPOUT Circuit Fault  Install breakout box. Connect TFI module or DIS module (pins No. 7-12). For 7.5L Truck, connect distributor hall connector. Connect ECA to breakout box. Set breakout box timing switch to DISTRIBUTOR or DIST position. Try to start vehicle. If vehicle starts, move timing switch to COMPUTED position and go to step 10). If vehicle does not start, go to next step.