Parasitic amp draw

1970buick · 02-24-2016, 08:00 PM

I have a 0-5k Alltrax 400amp controller, series motor, and I am experiencing some sort of parasitic draw somewhere. Every morning I walk out and look the digital volt meter and it is down 1/10th of a volt every day. Where should I start checking and what procedure should I use?

tag50 · 02-24-2016, 08:12 PM

Other than 1% battery self-discharge, voltage reducer??

.

1970buick · 02-24-2016, 08:20 PM

There is a voltage reducer, the only thing running off of that are the turn signals & brake lights

jjance · 02-24-2016, 08:39 PM

Put an amp meter in series with the batteries and start disconnecting stuff.

Volt_Ampere · 02-24-2016, 08:41 PM

Self discharge is probably the cause but you can put your ammeter in series with one of the cables between batteries and measure the current draw. IT should be small.

smokey tennis shoe · 02-24-2016, 09:38 PM

getting back to the earlier reducer comment, if the reducer is wired directly to the batteries, and not activated by a key switch, it will draw juice weather the accessories are turned on or not.

02-24-2016, 08:00 PM	#1
1970buick Gone Wild Join Date: Jul 2012 Location: maryland Posts: 818	Parasitic amp draw I have a 0-5k Alltrax 400amp controller, series motor, and I am experiencing some sort of parasitic draw somewhere. Every morning I walk out and look the digital volt meter and it is down 1/10th of a volt every day. Where should I start checking and what procedure should I use?

02-24-2016, 08:12 PM	#2
tag50 Gone Wild Join Date: Apr 2014 Location: Oregon City, Or Posts: 1,977	Re: Parasitic amp draw Other than 1% battery self-discharge, voltage reducer?? .

02-24-2016, 08:20 PM	#3
1970buick Gone Wild Join Date: Jul 2012 Location: maryland Posts: 818	Re: Parasitic amp draw There is a voltage reducer, the only thing running off of that are the turn signals & brake lights

02-24-2016, 08:39 PM	#4
jjance Gone Wild Join Date: Feb 2011 Location: Chattanooga TN Posts: 2,105	Re: Parasitic amp draw Put an amp meter in series with the batteries and start disconnecting stuff.

02-24-2016, 08:41 PM	#5
Volt_Ampere Gone Wild Join Date: May 2012 Location: Rio Verde, Az Posts: 7,183	Re: Parasitic amp draw Self discharge is probably the cause but you can put your ammeter in series with one of the cables between batteries and measure the current draw. IT should be small.

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02-24-2016, 09:38 PM	#6
smokey tennis shoe Gone Wild Join Date: Feb 2012 Location: Indio, CA The Desert! Posts: 1,263	Re: Parasitic amp draw getting back to the earlier reducer comment, if the reducer is wired directly to the batteries, and not activated by a key switch, it will draw juice weather the accessories are turned on or not.

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