2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

Firewall grounding wire

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Old Feb 10, 2017
  #1  
Ridick_bowen's Avatar
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From: Riverside
Firewall grounding wire

Aloha mates,

Where does this wire connect to?
 
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Old Feb 10, 2017
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From: Illinois, Marseilles
Welcome to the Ranger Forum Ridick_bowen

I would say hood. If you have a hood light. It is connected to ground. The frame. Is there a spot near to attach it to the engine? But the engine is grounded by the way it installs. The engine is bolted to the frame. Does all your electronic stuff work? Does it run good? If so I would just forget about it. Thats my opinion. Up to you. Others might have other ideas and opinions.
Jim
 
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Old Feb 10, 2017
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Ridick_bowen's Avatar
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All my electronics seem to work with the exception of my cargo lights. The truck runs like crap. I average about 10-12 mpg and everything is stock.

I believe the wire should be connected to the motor/block somewhere but I'm not positive.
 
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Old Feb 10, 2017
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From: Illinois, Marseilles
Is the only crap the MPG? Or. Is the idle out of control. The engine sputtering and back firing? That kind of crap. Have you opened the third brake light up yet? The bulbs burn out. I had to replace the 6 major lights in my instrument panel.

Jim
 
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Old Feb 10, 2017
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Everything else seems fine. I just swapped the bulbs in that third light panel and the tail light works great.
 
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Old Feb 10, 2017
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From: Illinois, Marseilles
Ridick

Very cool. I would just let it be. The engine is grounded to the frame by the frame mounts. Metal on metal connection is how the engine is held down. Otherwise it would jump out. From the explosions inside the cylinders. So your engine is grounded. You could use that for lights or things you might add to the truck that needs a ground lead.

Jim
 
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Old Aug 14, 2024
  #7  
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From: Metairie
I am doing that exact ground it's on the back of engine on the drivers side in the almost middle but just below.I apologize I don't know exactly the way to lingo it but it's not an easy spot to get to it took me about an hour just to trace it down to where it went that's why there's a good amount on your ground it goes down farther than you would first believe.I hope that little bit helps
 
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Old Aug 14, 2024
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admyank's Avatar
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From: Fuquay Varina, NC
It connects to the engine block just beneath the the valve covers and above the transmission. There's a bolt that goes in there (About an inch long)
 
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Old Sep 8, 2025
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Missing the bolt

I’ve got the same issue when replacing the motor this ground wasn’t hooked back up. The bolt on the engine block isn’t there. What size bolt is it?
 
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