# 05 el battery problem
**URL:** https://community.electricforum.com/t/05-el-battery-problem/14293
**Category:** Battery & Chargers
**Created:** [August 11, 2018, 4:50pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293 "2018-08-11T16:50:50Z")
**Posts on this page:** 9
**Page:** 1
### Author:  [@2007lariat](https://community.electricforum.com/u/2007lariat)
#### Post date: [August 11, 2018, 4:50pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/1 "2018-08-11T16:50:50Z")
I just bought an 05 el. The batteries were dead, so I installed 6 new deka gels. Not sure if I wired them in correctly because the charger is giving me 4 red flashes and not charging the batteries. Does someone have a wiring diagram or could it be the charger?
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### Author:  [@Inwo](https://community.electricforum.com/u/Inwo)
#### Post date: [August 12, 2018, 1:40am UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/2 "2018-08-12T01:40:15Z")
4 flashes means you need a heavier a.c. cord.
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### Author:  [@2007lariat](https://community.electricforum.com/u/2007lariat)
#### Post date: [August 12, 2018, 3:30pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/3 "2018-08-12T15:30:14Z")
Ok, charged up batteries individually, bought 15ft 12 gauge cord and plugged in… Still 4 flashes. Any other ideas?
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### Author:  [@Inwo](https://community.electricforum.com/u/Inwo)
#### Post date: [August 12, 2018, 4:13pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/4 "2018-08-12T16:13:30Z")
Is it a Gem Delta-Q? What profile? (to see if it’s Gem)
Try a different (heavier) circuit, or plug in a different iec cord direct to charger. The cord from charger to front may be burned.
4 flashes is definitely ac voltage problem on a Gem DQ.
Meter voltage near charger. Do you have a kil-o-watt or such?
Bad charger, if you have good ac at input.
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### Author:  [@GEM\_captain](https://community.electricforum.com/u/GEM_captain)
#### Post date: [August 17, 2018, 7:48am UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/5 "2018-08-17T07:48:11Z")
When I switched to Gel Batteries the tech said he had to adjust a switch on a controller under the dash.
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### Author:  [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)
#### Post date: [August 17, 2018, 1:52pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/6 "2018-08-17T13:52:17Z")
The charger program (algorythm) has to be set to Gel. There is no switch, it has to be programmed. MAKE SURE THIS WAS DONE. If left on flooded it will eat your new batteries.
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### Author:  [@GEM\_captain](https://community.electricforum.com/u/GEM_captain)
#### Post date: [August 19, 2018, 11:18pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/7 "2018-08-19T23:18:34Z")
How long does it take to reprogram?? It was…“Oh… I also reprogram the charger to accept the Gel batteries.” It took him the same amount of time to reprogram as it did to flip a switch… I didn’t see the procedure but it was literally that quick…
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### Author:  [@GEM\_captain](https://community.electricforum.com/u/GEM_captain)
#### Post date: [August 19, 2018, 11:29pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/8 "2018-08-19T23:29:54Z")
> [@Changing the charge profile on a 2000 GEM](https://community.electricforum.com/t/changing-the-charge-profile-on-a-2000-gem/14332):
>
> I have a 2000 GEM with the Delta-Q charger That is currently set to profile #14. I have installed new Duracell SLI31MDC batteries and need to change the profile. Having read the instructions and watched the video to change the profile I have two questions: What profile should I use? #13 for Trojan or #32 for DEKA batteries. What connection should I disconnect to change the program? Do they want the positive connection on the charger removed or can I just use one of the connections at one of th…
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### Author:  [@2007lariat](https://community.electricforum.com/u/2007lariat)
#### Post date: [August 19, 2018, 11:39pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/9 "2018-08-19T23:39:29Z")
Thank you very much. It was the circuit in my garage. Went to an outlet in back yard and it works fine.