F3 Check Input to Fuse 12 (5A)

- At fuse junction panel, remove and inspect fuse 12 (5A) for open.

- Connect a test lamp between the input cavity of fuse 12 (5A) and a known good ground.

- Does test lamp come on when ignition switch is turned to RUN?

YES -- Go to F7. F7 Check Circuit 640 (R/Y) For Short to Ground

NO -- Go to F4. F4 Check Input Power to Ignition Switch