Where to route power wire through firewall? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 12-30-2005
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Where to route power wire through firewall?

I am installing my system in my ranger soon and i dont know where to run the power wire through the firewall, i cant seem to find any holes or grommets i can use. im not sure where to look. ANyone know where i should run my power through the firewall?

P.S.-my truck is a 2003 ranger edge ext cab 4x4 4.0 v6 auto

pics would help but w/e
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Old 12-30-2005
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I opted to break out the dremel and make my own hole( on the driver side, way up behind the dash) Use a rubber grommet to prevent any metal rubbing through the insulator, and accidental shorting/welding in the future.

Others simply poked a hole in the rubber boot around the steering shaft, and pulled it through there.
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Old 12-30-2005
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whered u make a hole with the dremmel? and through the boot where, and it wont interfere with the shaft will it?
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Old 12-30-2005
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i ran wires along the back of the brake booster, and then down along the frame rails near the tranny. I then cut a small hole in the gromet under the seat and poked a small hole in the carpet.
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Old 12-30-2005
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look near the pedals thats where mine was
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Old 12-30-2005
 
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If the wires aren't too big, you can cut a small hole in the emergency brake grommet, and run some stuff through that.
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Old 12-30-2005
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im still confused kinda, where would i make a hole, do you mean along the framerails outside the cab, or inside, and i didnt see nothin by the pedals

oh and whats the plastic cover on the firewall behing the boz with all the relays?
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Old 12-30-2005
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Dremel will prolly be your best bet
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Old 12-30-2005
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step drill bit and a drill. use grommet and call it a day. watch for wires and dont route near hot or moving parts. always fuse as close to the battery as possible. have a great time.
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  #10  
Old 12-30-2005
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I think you're over thinking it Jim. It's just as simple as checking both sides of the firewall to the best of your ability and drilling a hole. The higher you can get the more it'll be out of the way. Mine was pretty much in the middle of the steering shaft and the main wiring harness. Just check both sides before you drill to be sure you have at least 2-3 inches from any wiring or other equipment.
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Old 01-01-2006
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I went thru my steering column gromet.
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Old 01-01-2006
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well i got it wired up i went through the parking brake release wire grommet. It sounds great and the wires are ou of the way hidden
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Old 01-01-2006
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Quote:
Originally Posted by FMD
I went thru my steering column gromet.
same here...i just cut a slit in the gromet
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  #14  
Old 01-01-2006
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Look directly behind your clutch pedal. theres a big black rubber grommet. Just poke a hole in it with anything, and pull youre wire through.
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Old 05-16-2006
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I've been doing this for my nitrous leads and I have one problem going through the same grommet as the clutch master cylinder and it's been bugging me.

If your clutch master cylinder fails you are screwed unless you have installed inline connectors so you can unplug your wiring. Otherwise you will be cutting your wires to get the thing out.

I plan on drilling new grommet holes when i do my emergency lights and siren wiring. I'll mostly likely pull the wires out of the CMC grommet and use a new one.


Quote:
Originally Posted by 86YOTA
Look directly behind your clutch pedal. theres a big black rubber grommet. Just poke a hole in it with anything, and pull youre wire through.
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Old 05-16-2006
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I used to have a couple of wires through the clutch grommet. When I installed my alarm, I needed to add more wires and decided to tidy things up. I ran the wires through grommets installed in holes drilled through the firewall above the factory bulkhead connector. While I was drilling, I added some extras holes/grommets for future mods in various sizes and plugged them temporarily with bolts.


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Old 05-16-2006
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Where can you buy these grommets?
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Old 05-16-2006
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Quote:
Originally Posted by Gearhead61
Where can you buy these grommets?
The store...duh.

Aaron
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Old 05-16-2006
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Quote:
Originally Posted by Gearhead61
Where can you buy these grommets?
Electronics store, home center, hardware store, etc.
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  #20  
Old 05-16-2006
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Cool thanks Bob!
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