08 Drive power drain issue

John Clark · 01-03-2019, 03:22 PM

I have a 2008 Yamaha drive with a severe power loss issue. It drops a bar on the gauge approx every 8 minutes of use. So after 15 20 minutes its needs a full re-charge.

Batteries are 16 moths old Trojans. DPI charger. I replaced the motor( Admiral MOT-D2 Golf Cart Motor for Yamaha Drive (YDRE)), controller (Alltrax XCT-48500-YDRE Motor Controller, 48V, MOT-D2 motor), wires (10 ga), MZJ-400 Solenoid, 400A, 48V to try to fix the problem. Much more responsive but Needless to say the problem persists.

Any help / fixes will be appreciated.

cgtech · 01-03-2019, 03:41 PM

I would verify the battery SOC before going any further. Run them down to halfway on the meter, wait 10 minutes and get a reading on the whole pack. Compare that reading to the Trojan SOC charts on this site. I am first skeptical of the gauge reading. Who's meter is it? Curtis? "eBay/China special"?

John Clark · 01-03-2019, 03:54 PM

curtis gauge

Tha_B_Man · 01-05-2019, 08:59 AM

Have you checked water level in all the batteries? Have checked the voltage of each battery? Could have one faulty battery causing issues.

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01-03-2019, 03:22 PM	#1
John Clark Not Yet Wild Join Date: Jan 2019 Location: Banner Elk, NC Posts: 2	08 Drive power drain issue I have a 2008 Yamaha drive with a severe power loss issue. It drops a bar on the gauge approx every 8 minutes of use. So after 15 20 minutes its needs a full re-charge. Batteries are 16 moths old Trojans. DPI charger. I replaced the motor( Admiral MOT-D2 Golf Cart Motor for Yamaha Drive (YDRE)), controller (Alltrax XCT-48500-YDRE Motor Controller, 48V, MOT-D2 motor), wires (10 ga), MZJ-400 Solenoid, 400A, 48V to try to fix the problem. Much more responsive but Needless to say the problem persists. Any help / fixes will be appreciated.

01-03-2019, 03:41 PM	#2
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 08 Drive power drain issue I would verify the battery SOC before going any further. Run them down to halfway on the meter, wait 10 minutes and get a reading on the whole pack. Compare that reading to the Trojan SOC charts on this site. I am first skeptical of the gauge reading. Who's meter is it? Curtis? "eBay/China special"?

01-03-2019, 03:54 PM	#3
John Clark Not Yet Wild Join Date: Jan 2019 Location: Banner Elk, NC Posts: 2	Re: 08 Drive power drain issue curtis gauge

01-05-2019, 08:59 AM	#4
Tha_B_Man Gone Wild Join Date: Feb 2014 Posts: 226	Re: 08 Drive power drain issue Have you checked water level in all the batteries? Have checked the voltage of each battery? Could have one faulty battery causing issues. Sent from my iPhone using Tapatalk
Tha_B_Man Gone Wild Join Date: Feb 2014 Posts: 226

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