Correct ammeter/voltmeter for 75 coupe

[wood8835th]

Having trouble discerning if the +40 -40 ammeter gauge or the 0 to 18 volt voltmeter is the correct gauge for a 75. I have found both available but don't know whick is correct.

Any advice is appreciated!!!!

[Vettehead Mikey]

Ammeter is correct for a '75

[wood8835th]

Thank you. Its my next purchase.

Owe ya' Vettehead Mikey!!

I have ammeter out of my 76 . looks good and works. $12 includes freight.