aftermarket fuel gauge - Vintage Mustang Forums
 
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post #1 of 6 (permalink) Old 09-30-2007, 01:55 PM Thread Starter
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Its a good day to be in the garage...
I am putting in my new dash. I am using an Auto Meter fuel gauge and I am not sure how to hook it up to the stock harness. There is a black wire and a yellow wire going into the back of the stock gauge. The autometer has the usual sender, ground, and 12 v locations. I tried using the yellow as the sender hook up, but I get a very low reading with about 1/2 tank of gas. Suggestions? I know there are a few of you who have already done this...
TIA,
Jim

Jim Smith
Atlanta, GA
1965 Coupe 5.0 GT40 Intake and Heads, 65MM TB, chipped, T5, Shelby drop, roller idler, subframe connectors, Magnaflows, Hurst shifter, MS clutch, BFGs on 15" TTDs, Roller perches, Bilsteins, 3.54 gears, LS, Needs everything else...
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post #2 of 6 (permalink) Old 09-30-2007, 02:42 PM
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Jim,
Did you install a new fuel sender with the gauge? The gauge registers the ohms sent by the fuel sender. The early Ford sender sends 75-10 Ohms (empty-full). Most after market gauges use the Chevy sender, which sends 0-90 (empty-full), which would give you an opposite reading.

Exactly which Autometer gauges did you get?

Tim

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post #3 of 6 (permalink) Old 09-30-2007, 05:32 PM Thread Starter
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It was the fuel gauge for the 73 emoty and 8 -12 full. It says it is for most Ford and Chrysler vehicles...Should I measure across both wires to get an ohm reading? I think I have about 1/2 a tank...
Thanks for your help,
Jim

Jim Smith
Atlanta, GA
1965 Coupe 5.0 GT40 Intake and Heads, 65MM TB, chipped, T5, Shelby drop, roller idler, subframe connectors, Magnaflows, Hurst shifter, MS clutch, BFGs on 15" TTDs, Roller perches, Bilsteins, 3.54 gears, LS, Needs everything else...
"If you didn't build it; it's not really yours."
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post #4 of 6 (permalink) Old 10-02-2007, 11:25 AM Thread Starter
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Got it figured out.
It seems if your tank is empty a correctly functioning fuel gauge will register empty.
Hmmm....
I had assumed I had 1/2 a tank when I was in reality on fumes. Good thing I stopped to fill it up. All gauges are working awesome. I'll post some pics of my new dash later on this week.

Jim Smith
Atlanta, GA
1965 Coupe 5.0 GT40 Intake and Heads, 65MM TB, chipped, T5, Shelby drop, roller idler, subframe connectors, Magnaflows, Hurst shifter, MS clutch, BFGs on 15" TTDs, Roller perches, Bilsteins, 3.54 gears, LS, Needs everything else...
"If you didn't build it; it's not really yours."
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post #5 of 6 (permalink) Old 10-02-2007, 03:04 PM
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Glad you figured it out. I recently installed Auto Meter Ultra-Lites in my car (after running with the stock gauges for 3 years.. and running out of gas quite a few times). The driving experience of the car is much better when you are not worrying about if you are going to run out of gas


James

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post #6 of 6 (permalink) Old 10-03-2007, 11:04 AM
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Try driving your car halfway across country a week after buying it. I filled up in Nashville, and 3/4 of a tank later, I ran out of gas in the middle of eastern Arkansas. I replaced my gauge cluster when I bought my woodgrain insert, and now empty's empty again.


Why beat around the bush when you can drive a lawnmower right through it?
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