speed hut gps speedometers .

W

wilwal39

Joined
Jan 29, 2017
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I have a a tacho and speedometer from the above supplier with negative earth system. Is there some gizmo out there that you can use to reverse the polarity to enable it to
operate on my 72 commando.?
Much obliged on any info available.
 
They can't use much power - if all else fails, why not use a small battery, dedicated to them, with opposite polarity?
They make them pretty tiny these days - just have to charge them every month or so.
Cheers
 
robs ss said:
They can't use much power - if all else fails, why not use a small battery, dedicated to them, with opposite polarity?
They make them pretty tiny these days - just have to charge them every month or so.
Cheers
Click to expand...
Thanks for the reply a good idea. But i`ll try kommandos solution first.
Cheers.
kommando said:
As long as its not earthed through the case and neither is the GPS sensor then its as simple as connecting the +ve lead to the +ve on the bike and the -ve to the -ve.
Click to expand...

Thanks Kommando i tried that and it works . I was sort of paranoid about the set up as a mate of mine has the same speedo/tacho
on his commando but his instruction sheet shows positive earth for his gauges.
 
robs ss said:
They can't use much power - if all else fails, why not use a small battery, dedicated to them, with opposite polarity?
They make them pretty tiny these days - just have to charge them every month or so.
Cheers
Click to expand...
blaisestation said:
I use the speed hut gauges and have done as kommando has said.
Still going strong after 7 years.
Click to expand...
I tried kommandos suggestion and its O.K.
I hope i can get seven yrs out of mine.
Cheers.
 
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