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#1 |
Registered User
Join Date: Jul 2014
Location: Atlanta, Ga.
Posts: 25
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Ammeter to Voltmeter Conversion
After recieving my AAW kit I decided to install a voltmeter in place of the factory ammeter but wanted to keep the factory look.
-First I found a 1976-87 voltmeter gauge from the local junkyard and removed the needle (pops off), then drilled out the rivets on this and the factory ammeter gauge. -After the faceplate and needles are removed from both, place the stock ammeter gauge faceplate onto the 76-87 voltmeter cup and attach with small nuts and bolts. I used M1.6 -Next punch a hole for the third upper leg of the new voltmeter gauge in the factory tin, similar to the temp gauge next to it. Then bolt the ceramic piece back down which will also secure the gauge to the tin. -Looking from the backside the left leg is positive and the upper is the ground. -At this point I put 13V to the gauge and set the needle in the middle of the faceplate. -Now just reassemble the cluster and pick somewhere to draw voltage from, I ran the ground wire to the upper screw that holds the tin in. Note: I am in the process of wiring my truck so it is up to you to decide where to draw the 12v from. Now you'll have a factory looking cluster with a voltmeter. I wasn't able to figure out how to attach pictures throughout the text to show the steps so they are below and in the second post. |
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#2 |
Registered User
Join Date: Jul 2014
Location: Atlanta, Ga.
Posts: 25
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Re: Ammeter to Voltmeter Conversion
More Pictures
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#3 |
Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,188
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Re: Ammeter to Voltmeter Conversion
Thanks for a more recent version of this, but we do already have a couple conversion threads hanging around here.
Nice work! ![]() |
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#4 |
Registered User
Join Date: May 2011
Location: Northern Calif.
Posts: 3,697
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Re: Ammeter to Voltmeter Conversion
Turned out great.
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#5 |
Registered User
Join Date: Feb 2012
Location: Smyrna TN
Posts: 1,153
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Re: Ammeter to Voltmeter Conversion
Nice post. Once you're back up and running please post some pictures with the gauge in use.
__________________
1971 Longbed BB Cheyenne Super 1972 Longbed SB Cheyenne Super 1972 Longbed Highlander Custom Deluxe 1975 K5 4x4 full convertible Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=645165 Greg Smyrna TN |
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#6 |
Senior Member
![]() Join Date: Mar 2016
Location: Athens, AL
Posts: 358
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Re: Ammeter to Voltmeter Conversion
Sorry to bring back an old thread, but one question. Was the old needle reused, or did the one from the newer voltmeter match that well? Looks factory correct. Well done.
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#7 |
Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,188
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Re: Ammeter to Voltmeter Conversion
You can use either needle. Because they are 90 degree sweep, you only see the upper 3/4 of the needle. They are different though, and is personal preference. Some people don't mind 5 different brand gauges in their panel. Then some like myself, would be bothered if the needle didn't match! Best of luck with your swap!
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#8 |
Registered User
Join Date: Sep 2012
Location: SoCal
Posts: 529
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Re: Ammeter to Voltmeter Conversion
I also did this voltmeter conversion but I just swapped needles and kept the squarebody gauge face
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#9 |
Registered User
Join Date: Apr 2007
Location: pasadena,TEXAS
Posts: 880
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Re: Ammeter to Voltmeter Conversion
What kind of light bulbs do you have in your dash, they look clean and sharp
__________________
1971 Cheyenne SWB 402BB, 700R4, 3.73 posi, PS, PB, A/C, Tilt, Tach "Wanda" Don't argue with idiots, People watching may not be able to tell the difference... There's someone in my head........But it's not me...... cheap tricks thread great info here!! http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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#10 |
Registered User
Join Date: Jul 2014
Location: Atlanta, Ga.
Posts: 25
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Re: Ammeter to Voltmeter Conversion
Thanks, it's worked quite well, and yes I used the original needle because it's just pressed on there and easy to swap.
__________________
1971 C30 1972 C10 1972 K5 2004 2500hd |
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#11 |
Senior Member
![]() Join Date: Mar 2016
Location: Athens, AL
Posts: 358
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Re: Ammeter to Voltmeter Conversion
So dumb question, but what keeps the 12v legs from shorting through the tin?
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