When do the gauges register (1 Viewer)

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Jun 25, 2015
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quick question-
Does the engine have to be running and come up to idle for the temp and oil pressure gauges to register? Been so long since I tore my 78 apart I can't remember.
Thanks.
 
Oil pressure gauge should register within a second or two of starting the engine. Temp gauge will rise slowly as the engine warms up.

Edit: @brian beat me to it.
 
Thanks gents. So when you turn the key past accessory the only gauge that should jump is the ammeter?
 
Thanks gents. So when you turn the key past accessory the only gauge that should jump is the ammeter?

That, and the fuel level meter if you have gas in the tank.
 

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