wiring help
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Mountain Pass
Joined: Jul 2020
Posts: 155
Likes: 7
wiring help
I have a 1977 F250 Custom im needing help on where Im supposed to locate grounding straps on the truck and where does my negative battery cable goes as well? correct me if im wrong but I believe I need a grounding strap on the engine to body and then another one on body to frame but I could be completely wrong
thank you
thank you
More Turbo
Joined: May 2014
Posts: 665
Likes: 139
From: Lakeside, Arizona
^ THIS! I added a ground like the above pic to the radiator core support. The headlights and parking lights on the grill have a ground strap that connects there.
Also, Question for 77... Where'd ya get that battery hold down bracket? Is that the og or an aftermarket? I need one for mine.
Also, Question for 77... Where'd ya get that battery hold down bracket? Is that the og or an aftermarket? I need one for mine.
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,247
Likes: 5,813
From: S/W Missouri, Polk county
If you are asking me, that is just a FTE pic I saved for a great example. But that hold down strap is common to a lot of JY vehicles I see. It is for a specific size of battery though. I had one at one time, but it would not fit my battery, so I had to grind off the 90* edges.
Tuned
Joined: Mar 2004
Posts: 279
Likes: 85
From: Hoschton,Ga.
Main battery ground wire to engine block. At that same connection on the block run a ground strap to the frame. Secondary smaller negative lead to radiator support. Also a frame to cab ground strap. This is how I have mine set up.
You can find those at most every auto parts store. They have universal ones.
Also, Question for 77... Where'd ya get that battery hold down bracket? Is that the og or an aftermarket? I need one for mine.
More Turbo
Joined: May 2014
Posts: 665
Likes: 139
From: Lakeside, Arizona
That particular one runs on a slant across the battery and lines up with the holes/ squares in the tray for the threaded rods... The universals run straight across the battery (I have one of those now, looking to replace with the original bracket).
Tuned
Joined: Mar 2004
Posts: 279
Likes: 85
From: Hoschton,Ga.
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More Turbo
Joined: May 2014
Posts: 665
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From: Lakeside, Arizona
Well shizzle! Thank you sir!
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More Turbo
Joined: May 2014
Posts: 665
Likes: 139
From: Lakeside, Arizona
Was the stocker plastic? I am trying to restore everything under the hood to the original state... I have some cheesey auto parts store bracket on there right now.
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,247
Likes: 5,813
From: S/W Missouri, Polk county
Not to sure on the OEM design or what material it is made of, but I do know that the one in my pic was NOT it. The OEM one (at least attached to the passenger side fenderwell for it to attach to) is a weird shaped 3 bend bracket that the OEM bracket attaches to.
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