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  Alternator gauge wiring on 67.......HELP !

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Author Topic:   Alternator gauge wiring on 67.......HELP !
Pierre
Gearhead

Posts: 366
From: France
Registered: Apr 2002

posted 07-22-2002 06:19 AM     Click Here to See the Profile for Pierre   Click Here to Email Pierre     Edit/Delete Message   Reply w/Quote
Just back from holiday and couldn't wait to get my hands dirty again.
A buddy of mine here has a mustang junkyard in his backyard and it is mustang part's heaven (European mustangs where usually imported for wealthier people so they are loaded with all kinds of options).
Anyway, he is willing to give up an original 67 tach gauge that I would like to install on my car (presently have Oil & Alt gauges)and toss that ugly summit tach !. So I took a closer look at the alternator wiring situation and it is puzzling ! Both wires (Red & Yellow) are connected tho the battery side of the relay so the alt gauge is shunted. According to the big blue book, you only connect this gauge when testing your charging situation, and to do that, you just pull the shunt wire & one of the gauge leads (they were factory wired together on the same connector) off the relay (bat side) and your alt gauge will operate.

I haven't tried yet but this seems really odd. Anyone ever looked into this ?

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 07-22-2002 10:31 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
The wiring harness is correct for the ammeter guage installation Pierre.

------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator

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The Barry of BarrysGrrl

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Pierre
Gearhead

Posts: 366
From: France
Registered: Apr 2002

posted 07-23-2002 08:03 AM     Click Here to See the Profile for Pierre   Click Here to Email Pierre     Edit/Delete Message   Reply w/Quote
Alex, just to make sure that I got this right: you are saying that my set-up is correct and that I should leave it that way unless I temporarely want to check charging ?
Is there any problem to leave the ammeter running at all time (that is the shunt+gauge wire disconnected from the relay) ?

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