AC DC EV amp / volt gauges install circuit breaker

[jackplane]

What size fuses do you have going to the ammeter? The wires seem a little undersized for any serious current.

[lcalarea47]

Hi they say its safer to fuse both leads from a amp gauge ,.. safer .. lonnie

[mysterymeatgrinder]

Woops, little mistake there, part of the comment above should read:

...which in this case would be your *positive* from...

[mysterymeatgrinder]

No need to fuse both positive and negative, that's way overkill. Normally fuses go only on the 'hot' leads, which in this case would be your negative from the battery (assuming a negative ground configuration).