Where is the Firewall located: Running wire from engine bay to side mirrors

[GrabThatBlue]

I'm preparing for the worst and I'm now scrolling through YouTube to find a video on where I can find a firewall where I can run a wire from the engine bay to the side mirror. I need 1 wire to the passenger side mirror and another wire to the driver side mirror.

Any wire technicians over here that know how to run the wire? Thanks!

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[roket]

big thing: dont drill if you dont need to. find an existing body plug and use that. if you do absolutely need to drill a new hole, ensure the grommet you use is properly sized. the bigger issue will be getting that wire into the door. also, dont let the wire hang just freely, use something like Tessa Tape to attach it to another wiring harness. this makes the install look better and means that your wire is held in place instead of able to do whatever. it also means that if someone does ever see your wiring, they know you did an actual proper job instead of the usual "wires everywhere" approach. basically, build off of Ford's factory wiring and try to match their style and routing

 

[Q6543]

I drilled there are pics in my thread “base budget bass”

 

[GrabThatBlue]

I drilled there are pics in my thread “base budget bass”

Thanks for the pictures man, I'm going to check your thread. Oh my, these turn signals are going to give me a bigger headache as I have to drill now

 

[Q6543]

Maybe there is a different way, I just copied what the S550 owners did for installs

GL though

 

[GrabThatBlue]

Maybe there is a different way, I just copied what the S550 owners did for installs

GL though

Thanks for the insight man.

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