The Ford Barn

Brian54 · 01-21-2021, 01:46 PM

I have an old two piece Sun tachometer with 5 hookups on the transmitter ; there are plenty of wiring diagrams for the 4 hookup ones but none I can find for what I have . The obvious ones are the engine ground and the plus and minus back to the tach . The remaining two hookups I assume go to the coil and are labeled primary and dist . Which one is plus and which one is minus?

KULTULZ · 01-21-2021, 03:16 PM

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PRIMARY is HOT (+) and COIL is NEG (-).

12V SYSTEM

01-21-2021, 01:46 PM	#1
Brian54 Member Join Date: Dec 2019 Posts: 60	Sun tachometer I have an old two piece Sun tachometer with 5 hookups on the transmitter ; there are plenty of wiring diagrams for the 4 hookup ones but none I can find for what I have . The obvious ones are the engine ground and the plus and minus back to the tach . The remaining two hookups I assume go to the coil and are labeled primary and dist . Which one is plus and which one is minus?

01-21-2021, 03:16 PM	#2
KULTULZ Senior Member Join Date: Aug 2012 Location: IN A 'GALAXIE' FAR FAR AWAY Posts: 6,466	Re: Sun tachometer Sponsored Links (Register now to hide all advertisements) PRIMARY is HOT (+) and COIL is NEG (-). 12V SYSTEM __________________ *** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ... DIAGNOSED CDO** - (OCD In Correct Alphabetical Order)

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