A13 Check Circuit 603

- Jumper pins 34 and 19.

- Reinstall main power relay.

- Turn ignition switch ON.

- Check voltage between breakout box pins 52 and 60.

- Is voltage reading over 10 volts?

YES -- Go to A14. A14 Check FLS No. 2 and Circuitry

NO -- Service circuits 603 (DG), 640 (O/R) or fuse.