mforget Posted March 18, 2019 Share Posted March 18, 2019 Hi, anyone got the stock volt gauge working with an ls swap? My sytem is charging according to my fitech handheld but nothing on the gauge. I presume my problem is the charging light not working on the gauge, bulb is good i tested it, but i dont know where to hook up the "L" wire on my LS alternator... Any help would be really appreciated. Thanks in advance! Quote Link to comment Share on other sites More sharing options...
jhm Posted March 18, 2019 Share Posted March 18, 2019 Just to be clear....are you saying that the gauge is not reading at all, and the charge light is not working either? For starters, the gauge can be connected to any hot lead (and ground) in your electrical system, and it should read just fine. You can verify this with a standalone multimeter. And then once the gauge is reading correctly, the charging bulb is pretty much irrelevant IMHO. Sorry if I'm misunderstanding the issue and didn't address your problem. Quote Link to comment Share on other sites More sharing options...
mforget Posted March 18, 2019 Author Share Posted March 18, 2019 Gauge is not reading and light wasnt working yes.... I did a wiring cleanup when doing my swap and the charging light is not hooked anymore, but i have 12v on the gauge red/white wire. Seems like the gauge needs something else to work correctly, it was working before my swap.... I can get the charging light working by putting voltage on the blue wire but the gauge is still not reading voltage at all.... Quote Link to comment Share on other sites More sharing options...
jhm Posted March 18, 2019 Share Posted March 18, 2019 Silly question, but do you have the FSM for your car? Voltmeter wiring can be found on page 35 of the attached. Body Electrical.pdf Quote Link to comment Share on other sites More sharing options...
mforget Posted March 18, 2019 Author Share Posted March 18, 2019 Yep thanks wiring is ok. I found the problem, the voltage meter got damaged/jammed by sandlast media going in there during restoration process.... Will try to find another gauge..... Thanks everyone for your help! 1 Quote Link to comment Share on other sites More sharing options...
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