Frye14 Posted July 28, 2017 Share Posted July 28, 2017 I have a 2013 6spd manual legacy with aftermarket HID lights. I've been noticing that the battery light on the dash will flicker on and off while shifting. Ran tests on the alternator as well as current battery and both passed. Any ideas on what could be causing the light to be flickering? Should I be concerned with this? Link to comment Share on other sites More sharing options...
DrD123 Posted July 28, 2017 Share Posted July 28, 2017 does it go away if you disconnect the HIDs? Also - how many years/miles on the battery? And how was it tested Link to comment Share on other sites More sharing options...
08SpecB_DE Posted July 29, 2017 Share Posted July 29, 2017 It's the lights. I've noticed newer cars are very sensitive to electrical modifications. Link to comment Share on other sites More sharing options...
Frye14 Posted July 29, 2017 Author Share Posted July 29, 2017 I haven't tried disconnecting the lights yet. But the battery is a year old and has 8,000 miles on it Link to comment Share on other sites More sharing options...
FLlegacy Posted July 29, 2017 Share Posted July 29, 2017 Even a new battery can fail, but the light coming on would indicate an alternator failure. Have you run a meter on it while the light is flickering? Sent from my SAMSUNG-SM-G920A using Tapatalk Link to comment Share on other sites More sharing options...
08SpecB_DE Posted July 29, 2017 Share Posted July 29, 2017 Put your stock bulbs back in the car and see what happens. People have had issues installing led brake light bulbs, so aftermarket hid's could be the culprit. CanBus systems are not fond of voltage irregularities. If it started right after you installed the hid's then I think there's a good chance they are the problem. Perhaps you can provide us with more info. If you have a multimeter handy, check voltage at: Idle with no loads Rev to 2k with no loads Idle, loaded (hvac on full blast, high beams on, radio) Rev to 2k, loaded Link to comment Share on other sites More sharing options...
Frye14 Posted July 29, 2017 Author Share Posted July 29, 2017 I didnt install the HID's. Im going to try and out the stock lights back in and see if that resolves the issue. Ill update after they are in Link to comment Share on other sites More sharing options...
FLlegacy Posted July 29, 2017 Share Posted July 29, 2017 Just unplug the hids and go for a short drive no need to remove them at this point. Sent from my SAMSUNG-SM-G920A using Tapatalk Link to comment Share on other sites More sharing options...
Frye14 Posted July 29, 2017 Author Share Posted July 29, 2017 After unplugging the HIDs there was no light flickering. The HIDs have to be causing it Link to comment Share on other sites More sharing options...
FLlegacy Posted July 29, 2017 Share Posted July 29, 2017 You could always add a relay direct from the battery to power them. Sent from my SAMSUNG-SM-G920A using Tapatalk Link to comment Share on other sites More sharing options...
Zee199969 Posted July 29, 2017 Share Posted July 29, 2017 You could always add a relay direct from the battery to power them. Sent from my SAMSUNG-SM-G920A using TapatalkThat's how my morimoto HIDs are poweered Sent from my ONEPLUS A5000 using Tapatalk My "Build" Link to comment Share on other sites More sharing options...
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