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Directional fuse blows when key is on. Hazards work fine 200 1989

posted by  Dave Stevens on  Tue Sep 5 20:19 CST 2023
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last visit: Sun Jan 1 02:36 CST 2012
[RELATED]

I think Art's onto it. I also can't see how it could be the hazards, turn signals or related to e-code headlights & side markers.

Let me guess, when you say it happens when you turn the ignition on, you mean KP-II not KP-I for accessories.

A broken wire at the seat heater switch touching bare metal would seem like a good possibility.

Check the cold side of fuse 13 to see if its got continuity to chassis ground. Under normal circumstances it shouldn't unless the seat heater switch is on and thermal button switch in the seat heater grid is very cold or the turn signal switch is set left/right or there's something else attached to fuse 13 that's enabled. Any other continuity there suggests a seat heater issue.

I'd disconnect the seat heater and try again, just like Art says.
--
Dave -still with 940's, prev 740/240/140/120 You'd think I'd have learned by now






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