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2003 Granite Engine died, ignition fuse blown.

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I have an 03 CV713 Granite, the truck died loaded a few weeks ago, found fuse #7 blown, replaced the fuse fired right up.  Fast forward a month truck died again, replaced the fuse again fired up, 30 minutes later fuse blown and wont take a fuse without blowing with the key on. Pulled it out of the road, went back a few hours later with a wiring schematic, pulled the ignition switch out of the column, put a fuse in fired right back up.

Looks like that fuse powers the key switch, then powers the Accessory relay, and the emergency stoplamp relay.  Havent found the accessory relay or emergency stoplamp relay yet.

When broke down on the road noticed with the key off, and the ignition switch fuse blown, the brake lights were on.

Is this a known issue for these trucks that I am chasing?

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