# What would cause this?

**URL:** <https://community.electricforum.com/t/what-would-cause-this/15012>\
**Category:** GEM Forum\
**Created:** [December 1, 2018, 2:47am UTC](https://community.electricforum.com/t/what-would-cause-this/15012 "2018-12-01T02:47:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pacastorena](https://avatars.discourse-cdn.com/v4/letter/p/73ab20/32.png) [@pacastorena](https://community.electricforum.com/u/pacastorena)\
**Post date:** [December 1, 2018, 2:47am UTC](https://community.electricforum.com/t/what-would-cause-this/15012/1 "2018-12-01T02:47:19Z")

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![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/f/f33d201b9bd8b701ddd2f67177591a20d02c2153.jpeg)  
What would cause this? 2004 GEM e4. Drove about a month ago for just about 5 miles. Didn’t charge. Tried to drive today, error code 15. Noticed this. Pretty sure I turned of master power switch. Batteries at 12.4 volts.

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**Author:** ![dlwford](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/dlwford/32/2713_2.png) [@dlwford](https://community.electricforum.com/u/dlwford)\
**Post date:** [December 1, 2018, 3:04am UTC](https://community.electricforum.com/t/what-would-cause-this/15012/2 "2018-12-01T03:04:57Z")

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Brass connector, **steel washer** , lead/tin connector, copper wire, water, solder flux. Perhaps!

clean, copper washer - LPS 3 !!