Hi, checked the wiring diagrams. There are relays, but none of them directly control all of those components. What I did find is that most of that stuff is fused thru # 5, 7, and 9 fuses, with 7 and 9 having the most common ties. I would replace all three, but before doing that, check the fuse terminals with a test light with the key on to see if you are getting power to the terminals. If no light, then I would next suspect the ignition switch, as this fella controls all of those systems..Hope this helps..
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Jeff Lawrence
1989 300e
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
"Warranty" is just another way of postponing the inevitable.
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