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Ground wires

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Old Aug 9, 2012 | 03:39 PM
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Default Ground wires
Finishing up my stand alone harness from an 07 5.3 with 4L65E..I left the factory ground wires in their factory locations on the engine. I am thinking I will connect all the grounds to a bus bar and connect the bus bar to the battery ground post. See any problems with this set up?
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Old Aug 9, 2012 | 05:30 PM
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I am using one like this
http://i1159.photobucket.com/albums/...7222012210.jpg
But - You still need the block and frame grounded (heavy gauge) and a loop to your terminal block to the frame. You can never have enough grounds!
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Old Aug 9, 2012 | 05:47 PM
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with harrness grounded to block,block to frame and body to frame does the body need to be grounded to the block as well?
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Old Aug 9, 2012 | 05:57 PM
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Probably not, but it won't hurt. You can never have too much grounding.
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Old Aug 9, 2012 | 07:21 PM
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Originally Posted by burbalanche
with harrness grounded to block,block to frame and body to frame does the body need to be grounded to the block as well?
Yes, you would not want some high powered motor (fan, wiper, ect) to use your small ECM grounds as their ground path. They could overpower the small wires and burn.
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Old Aug 9, 2012 | 07:58 PM
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I have all the grounds from my harness tied together in the harness and hooked the top back of the block. My fan is grounded to the battery and the ground cable goes from the battery to the block. My battery is then grounded to the body and the engine is solid mounted to the frame. Plenty of grounds.
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Old Aug 12, 2012 | 04:19 PM
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Default Grounds
back to the top
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Old Aug 12, 2012 | 07:53 PM
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Originally Posted by i r teh noobz
Probably not, but it won't hurt. You can never have too much grounding.
What he said. All of my grounds will be tied back to the battery with the appropriate gauge wire/cable.
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Old Aug 12, 2012 | 07:55 PM
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Default Ground wires
you have clean grounds and dirty grounds, computer and sensers need clean grounds
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Old Aug 12, 2012 | 08:27 PM
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Old Aug 12, 2012 | 08:48 PM
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Can never have too many grounds. Make sure the areas the grounds are connecting to are clean.
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