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Battery ground

Gary Anderson

Forum Newbie
I'm trying to refresh my memory about the battery and Battery box ground points on a 79 750B does any one have photos or diagram?
 
Battery grounds to the back of the engine

Battery box is isolated

Electrical panel grounds via a black wire on the starter solenoid mounting bolts
 
Personally I always add a couple of extra ones in.... :)
 
The ones from the loom are likely meant to pick up other parts on the chassis such as battery box etc but as a general rule as long as you have a ground path to everything and all black /white is connected to ground you will be ok.

I think it's a weather thing... with the corrosion rates in our part of the world (UK & Ireland) I think that's something that gets drummed into you early! Of course you shouldn't need extra but a bit of redundancy helps in that locale.
 
Looking at the picture Grim put on here. There's no wire connected to the Neg. side of the batt... Wondering, can you call all those wires grounds?, or are they just wires connected to the frame? No doubt will be grounds when batt. neg. is connected to the frame but until then they aren't grounding anything... or are they?
 
Looking at the picture Grim put on here. There's no wire connected to the Neg. side of the batt... Wondering, can you call all those wires grounds?, or are they just wires connected to the frame? No doubt will be grounds when batt. neg. is connected to the frame but until then they aren't grounding anything... or are they?

The battery in the photo is a MOTOBATT. It has 2 positive terminals and 2 negative terminals on each side, unlike other batteries that only have 1 of each. So the terminal on the right hand side in his photo that does not have a wire connected, is actually a "spare" positive terminal.

Remember the extensive "Single Point Ground" (SPG) discussions by Posplayr (Jim) a few years ago? Well worth reviewing again!.
 
Thanks 2B, I've used Motobatt batteries a couple of times but never knew they, or anybody else, made some with 2 neg. and 2 Pos. terminals. I did wonder about that red plug on what I thought was the Neg. terminal but just thought somebody poked it in there.
 
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