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11-20-2014, 09:29 PM
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#1 |
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Registered User
Join Date: Nov 2014
Location: Lizella
Posts: 41
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Gauge swap questions
It seems like this issue has been covered 10 million times for stock idiot lights to stock gauges or idiot lights with expensive wiring harness and aftermarket gauges. However, after 2 weeks of searching, I've yet to find anything regarding the sending unit.
Are the sending units the same regardless of the gauge cluster or will they have to be changed? I don't see any issues installing a tach or voltmeter. Will oil pressure and water temperature require new sending units? |
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11-20-2014, 11:09 PM
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#2 |
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Active Member
 Join Date: Oct 2012
Location: Deadwood SD
Posts: 173
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Re: Gauge swap questions
from what i was told yes.
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11-20-2014, 11:31 PM
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#3 |
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Registered User
Join Date: Nov 2014
Location: Lizella
Posts: 41
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Re: Gauge swap questions
Yes the sending units are the same or yes they need changing?
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11-20-2014, 11:50 PM
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#4 |
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Senior Member
 
Join Date: Aug 2013
Location: Windsor, California
Posts: 1,042
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Re: Gauge swap questions
Idiot light sending units are just a switch, they illuminate a warning light when the set reading is reached like "hot'. The sending unit for gages work a variable ground to vary the gage reading...In a nut shell the units are different and you will need the "gage" type for your new gages
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11-21-2014, 08:03 AM
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#5 |
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Registered User
Join Date: Nov 2014
Location: Lizella
Posts: 41
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Re: Gauge swap questions
Ok thanks
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11-21-2014, 09:47 AM
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#6 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Gauge swap questions
I swapped the idiots to gauges/Tach in my 78
yes they need to change sensors as well as move wires in the plug. or you will make a short I used these
__________________
John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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