[AT] Grounding

[Joe Hazewinkel]

Greg, mine does have the seven pin connector.  My truck is a diesel with two batteries, do you think it matters which battery I hook the ground to?

I figured Ford would ground to the battery, but no such luck. I'm going to have to look up a wiring diagram on-line and see if I can find anything.

Enjoy, Joe

Sent via mobile device

On Oct 23, 2014, at 9:54 AM, Easley, Greg <EasleyG at health.missouri.edu> wrote:

#10 stranded copper wire all the way back to the truck battery is a good solution.
Replacing the 6-pin round connectors with the 7-pin RV type helps too.


-----Original Message-----
From: at-bounces at lists.antique-tractor.com [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Henry Miller
Sent: Wednesday, October 22, 2014 9:46 PM
To: Antique tractor email discussion group; jahaze at aol.com
Subject: Re: [AT] Grounding

It shouldn't harm anything, and might fix some other unexplained problem as well. 

Trailers brakes take a lot of power, if you tested with just a voltmeter, then I'd worry that the power line might not be able to supply full voltage under load.

> On October 22, 2014 7:57:37 PM CDT, jahaze at aol.com wrote:
> To follow up on my trailer brake problem, I have been able to determine 
> that I have plenty of voltage to the brake prong on the plug when I 
> ground it to the truck, and a drop in voltage when I ground it to the 
> ground prong.  My guess is that I have a weak ground connection on the 
> truck.
> 
> I tried to chase the ground wire through the truck wiring harness, but 
> never did figure out where it was connected. What I'm thinking about 
> doing is putting a jumper from the plug ground wire to the frame in the 
> back of the truck to make a better connection.
> 
> Is there any reason this won't work? Or does the ground wire have to be 
> connected to another part of the truck?
> 
> Enjoy, Joe
> 
> Sent from my iPad
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Sent from my Android device with K-9 Mail. Please excuse my brevity.
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