Originally posted by gmcfan:
I am planning to get some aftermarket gauges to put in my truck so I can monitor whats going on better. I was wondering: when I get these gauges I am going to get them with an oil pressure gauge, a water temperature gauge, and an ammeter. Since my truck has an idiot light for the oil pressure, do I have to get a different oil pressure sending unit, or do I have to get one that will work with a gauge? :confused:
Yes, your idiot light works from a switch, a guage works from a sending unit, 2 different units, but can be done.
