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Andy4639 · 12-27-2008, 10:03 PM

While the truck is running take a volt meter and check the battery. It should have more than 12 volts showing. Rev the engine and see if it goes up to around 14 volts.
Then turn the lights and stuff on and check it again. With the engine rev'ed and all the stuff on it should be 13 volts at least.

12-27-2008, 10:03 PM	#13
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,936	Re: Putting in a new alternator and... While the truck is running take a volt meter and check the battery. It should have more than 12 volts showing. Rev the engine and see if it goes up to around 14 volts. Then turn the lights and stuff on and check it again. With the engine rev'ed and all the stuff on it should be 13 volts at least. __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.