Ammeter wiring?
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Freshman User
Joined: Aug 2013
Posts: 44
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From: Vashon Island
Ammeter wiring?
I want to wire in a simple old school ammeter and its been so long since I have wired one in that I have forgotten how. Seems like I just need to add a jumper from the "B" on the alternator, pass it to the + side of the ammeter and jump back to the + side of the solenoid?
Sound right?
Sound right?
Postmaster
Joined: Jun 2014
Posts: 3,206
Likes: 3
From: Oakhust NJ Jersey Shore
NOOOO The amps will go right thru the alt wire and you will read nothing, What kind of amp meter is it, some you have to pass the alt wire thru the gauge and some you have to wrap a wire around the alt wire then to your gauge, What does the gauge look like on the back?
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Freshman User
Joined: Aug 2013
Posts: 44
Likes: 0
From: Vashon Island
Okay, yep it's old school pass thru, so, that being said can I use it with my 67 alternator F250? The whole reason behind using the particular gauge is that it was made in a garage right where my truck came from.
Tuned
Joined: Dec 2004
Posts: 340
Likes: 8
From: Rock Hill, SC
For the ammeter to read charge and discharge you need to interrupt the lead that goes to the Battery terminal on the ignition switch. You need that wire to go through the ammeter.
Ammeters work the same on an Alternator or generator system and are a far better indication of what is happening than a volt meter.
Ammeters work the same on an Alternator or generator system and are a far better indication of what is happening than a volt meter.
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