bad battery drain - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

TXtimS13 · 10-08-2014, 08:05 AM

So im having a huge battery drain. With a fully charged battery it only last about 20 minutes while car is on. Idles and runs great for about 20 mins then starts bogging and dying and wont turn back on unless jump started. I got the alternator and battery tested and turned out good. Cleaned grounds. Car has no radio so couldnt be that. When key is out the battery terminal will spark so it is parastic drain but all wiring looks to be fine. Where should i look? Obd2 ka in 95 s14.

angel mkiv · 10-08-2014, 12:16 PM

Didnt feel like explaining it so here's a link with pictures on how to diagnose this.
http://m.wikihow.com/Find-a-Parasitic-Battery-Drain

SilviaSR20DET · 10-08-2014, 05:40 PM

Pretty sure its your alternator, I had the same problem. Just rebuild it, it's probably on its way out so itll be a good insurance. It could also be your battery not being able to hold charge.

TXtimS13 · 10-08-2014, 05:43 PM

Ok so im doing the test light thing. Clip test light to negative and touch tip to terminal. Light stays in till alternator fuse is pulled sonits within the alternator wiring. Unhooked everything from alternator and light still stays on. So im assuming the wiring could be messed up. Anything else?

10-08-2014, 08:05 AM	#1
TXtimS13 Join Date: May 2014 Location: Fort Worth TX Posts: 7 Trader Rating: (0) Feedback Score: 0 reviews	bad battery drain So im having a huge battery drain. With a fully charged battery it only last about 20 minutes while car is on. Idles and runs great for about 20 mins then starts bogging and dying and wont turn back on unless jump started. I got the alternator and battery tested and turned out good. Cleaned grounds. Car has no radio so couldnt be that. When key is out the battery terminal will spark so it is parastic drain but all wiring looks to be fine. Where should i look? Obd2 ka in 95 s14.

10-08-2014, 12:16 PM	#2
angel mkiv Zilvia Addict Join Date: Sep 2009 Location: Seattle, wa Posts: 727 Trader Rating: (4) Feedback Score: 4 reviews	Didnt feel like explaining it so here's a link with pictures on how to diagnose this. http://m.wikihow.com/Find-a-Parasitic-Battery-Drain __________________ Instagram username:angelmkiv

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10-08-2014, 05:40 PM	#3
SilviaSR20DET Zilvia FREAK! Join Date: Mar 2002 Location: Seattle, WA Posts: 1,221 Trader Rating: (9) Feedback Score: 9 reviews	Pretty sure its your alternator, I had the same problem. Just rebuild it, it's probably on its way out so itll be a good insurance. It could also be your battery not being able to hold charge.

10-08-2014, 05:43 PM	#4
TXtimS13 Join Date: May 2014 Location: Fort Worth TX Posts: 7 Trader Rating: (0) Feedback Score: 0 reviews	Ok so im doing the test light thing. Clip test light to negative and touch tip to terminal. Light stays in till alternator fuse is pulled sonits within the alternator wiring. Unhooked everything from alternator and light still stays on. So im assuming the wiring could be messed up. Anything else?