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91 wiring

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Old Dec 20, 2020 | 04:08 PM
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91 wiring

I have a 91 300ci and there is a wire that connects to the battery that is spliced into this I believe brown wire. Does anyone have an idea what that wire is for?
 
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Old Dec 20, 2020 | 06:55 PM
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This wire?


It looks like someone added that. Where does it go?
 
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Old Dec 21, 2020 | 04:40 PM
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It runs to the battery but I can’t find a diagram to show what that brown wire is for. It runs towards the back of the truck, but not sure if transmission or rear
 
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Old Dec 21, 2020 | 06:39 PM
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Originally Posted by rewiscody
It runs to the battery but I can’t find a diagram to show what that brown wire is for. It runs towards the back of the truck, but not sure if transmission or rear
Do you have a hitch? Possibly the 12V line for a trailer?
 
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