Best Way To Get Wires Through Firewall?
#26
Registered User
Join Date: Apr 2011
Location: Saginaw MI
Posts: 9
Likes: 0
Received 0 Likes
on
0 Posts
i did this today and ended up cutting 5 main harness wires. my car will no longer start.. called mazda dealership and it will be 5,000+ to replaced wire harness with labor8(
no one try this!!!!
#27
User and Abuser
iTrader: (3)
Pshhh for 5k... I'd do my best to splice them back together. Even if I can't get a soldering gun in there.... slide heatshrink on em, twist the ends, shrink, and let er eat.
Worse comes to worse.. extend both ends of the wires on both sides of the firewall, drill a new hole and pass the wires through there. Just bypass the harness. Might be the best idea actually...
Worse comes to worse.. extend both ends of the wires on both sides of the firewall, drill a new hole and pass the wires through there. Just bypass the harness. Might be the best idea actually...
Last edited by firebirdude; 05-06-2011 at 08:08 PM.
#29
Registered User
Join Date: Apr 2011
Location: Saginaw MI
Posts: 9
Likes: 0
Received 0 Likes
on
0 Posts
i did do it from inside the car and amed away but behind the wall the wires bend into the path. i only ended up cutting 1 wire and it was the wire that tell the car the clutch is pressed. i soilderd the wire then heat shrank them and is all better.
#30
Registered
iTrader: (2)
I avoided a lot of problems by using a Class-D sub amplifier. It's vastly more efficient than Class AB's which are the usual. As a consequence, 10 ga wire is fine, and that fits through the taped over hole through the firewall a few inches toward the outside from the washer tank. The 10 ga also fits into the clips already built into the cable trays under the scuff plates.
http://www.woofersetc.com/p-7512-kac...amplifier.aspx
21A max current draw.
http://www.woofersetc.com/p-7512-kac...amplifier.aspx
21A max current draw.
#31
Disco Biscuit
Join Date: Aug 2008
Location: Palm Bay, FL
Posts: 116
Likes: 0
Received 0 Likes
on
0 Posts
http://cgi.ebay.com/Stinger-Wire-4-G...item48404944ce
I would recommend drilling a hole and using one of these.
If your wire gets dry forget the lubes, just spit on it and keep on tugging. lmao
Seriously the grommets above work great.
I would recommend drilling a hole and using one of these.
If your wire gets dry forget the lubes, just spit on it and keep on tugging. lmao
Seriously the grommets above work great.
#32
User and Abuser
iTrader: (3)
And the grommets linked really are THE PERFECT item to use.
#33
Disco Biscuit
Join Date: Aug 2008
Location: Palm Bay, FL
Posts: 116
Likes: 0
Received 0 Likes
on
0 Posts
Or you can give me $3000 and I'll fly up there and fix it for you.
Last edited by LunchboxCritter; 05-17-2011 at 07:57 PM.
#34
Registered
Thru Firewall without drilling....
There's already a hole between the washer fluid tank and the passenger side fender. It's just hidden with tape that is stuck from the inside and painted the same color as the body. The hole is an oval. All you need to do is poke a hole in the tape, put a rubber grommet in it, put some dish soap on your wire and then run it through.
I wouldn't use oil or WD-40, they attract dirt and won't dry up like dish soap. Next time I'm going to try KY since it's water-based.
BTW, from that hole the wire comes out behind the passenger kick panel, which you'll need to remove. But that's easy.
I wouldn't use oil or WD-40, they attract dirt and won't dry up like dish soap. Next time I'm going to try KY since it's water-based.
BTW, from that hole the wire comes out behind the passenger kick panel, which you'll need to remove. But that's easy.
I installed a vaccum / boost line for my GOODbox. I found the described oval hole on the passenger side of the engine bay. From the engine bay side I pushed a wire (e.g. coat hanger) thru to the passenger side foot well area after the kick panel was removed. I then used electrical tape to attach a hose to the wire and pulled the wire & hose from the foot well into the engine bay. Dish soap was helpful.
Took photos of this OVAL hole for the NO DRILL method. See the attached pictures with arrows and lines. Shot photos from the engine bay fire wall and from the passenger side foot well with the kick panel removed.
What is not shown is the grommet that I installed afterwards.
The last two foot well pictures show the coat hanger with hose taped to it, just prior to pulling into the engine bay (between the red lines).
Hope the photos help.
Last edited by Nuke It; 10-13-2015 at 11:15 PM. Reason: clarify
Thread
Thread Starter
Forum
Replies
Last Post
Danield97
Series I Trouble Shooting
1
09-30-2015 05:59 PM
Learners_Permit
Series I Interior, Audio, and Electronics
8
09-27-2015 07:38 PM