1966 F100 Firewall Rectangular Electrical Plug?
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Freshman User
Joined: Jul 2013
Posts: 26
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OK, I got the unit, drilled the hole, and am ready to start crimping the wires, however, there are 4 wires that are larger than the 20 to 18 gauge. I see your photo and the 4 wires in question look like you routed them through where the break booster/master cylinder goes. Did you route the largest wires that way? I do have a few smaller firewall holes that I could get a rubber grommet and fish them through.
Also, what do you call those wire connectors? I've seen them before, but never crimped them on. I did buy the crimping tool that they suggested. Any helpful info on crimping these type of connectors?
Also, what do you call those wire connectors? I've seen them before, but never crimped them on. I did buy the crimping tool that they suggested. Any helpful info on crimping these type of connectors?
Tuned
Joined: Sep 2014
Posts: 295
Likes: 25
From: Tyngsboro, MA
OK, I got the unit, drilled the hole, and am ready to start crimping the wires, however, there are 4 wires that are larger than the 20 to 18 gauge. I see your photo and the 4 wires in question look like you routed them through where the break booster/master cylinder goes. Did you route the largest wires that way? I do have a few smaller firewall holes that I could get a rubber grommet and fish them through.
Also, what do you call those wire connectors? I've seen them before, but never crimped them on. I did buy the crimping tool that they suggested. Any helpful info on crimping these type of connectors?
Also, what do you call those wire connectors? I've seen them before, but never crimped them on. I did buy the crimping tool that they suggested. Any helpful info on crimping these type of connectors?
Yes we did route the 4 larger gauge wires using a single hole firewall plug and retainer I purchased on Mac's. The hole we used was a knockout just above where the speedo cable comes out of the firewall. They call them Weather pack and Metri-pack terminals. I attached a pic with some info on crimping the pins, my suggestion try practicing a few on some scrap wire till you get it right. Any further questions just ask good luck.
Last edited by vze2c2gb; Aug 26, 2018 at 11:15 AM. Reason: speedo not park brake cable
Mountain Pass
Joined: Jan 2015
Posts: 127
Likes: 7
From: South of Madison WI.
Your welcome. It is always nicer to know where the wires are coming from and going to when you start to replace wiring. It looks as if the broken plug was headed to the Left Hand Rear Turn Signal. If you need it driving right away you could run a jumper wire through one of the round holes right above the bad plug and have your turn signal back. It should be a solid yellow wire.
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