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Any easy way to check if a battery is still good


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 sounds like you had/have some parasitic Drain/Draw. 

 

Here's a simple test process to see. 

https://testmeterpro.com/parasitic-draw-test-with-a-multimeter/

07 Dodge Ram Mega Cab 3500 SRW 5.9L Cummins Twin Turbos (fraternal not paternal;) 3x 12" 11sL7 2DVC wired to 1.3ohm on Nesa Encore TS Power TE-5000D amp, Kicker 6.5 Q class Components front and rear doors on Memphis PR4x50 amp, Big 6 upgrade for dual Group 34 Yellow tops. Pioneer DEH8400BH HU. 

 

2016 F6B Goldwing infinity Kappa 50.9CS(factory amp) front and 60.9CS rear(Taramps DS 160.2 Mini amp)

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1 hour ago, shane35fowler said:

 sounds like you had/have some parasitic Drain/Draw. 

 

Here's a simple test process to see. 

https://testmeterpro.com/parasitic-draw-test-with-a-multimeter/

Yeah, the stereo shop that installed my current system gave me Chevy logo LEDs for the doors. They hooked them up by cutting into the positives to the electric door locks..... nothing was telling those LED's to shut off when I closed the doors. I've unhooked them. Now I need to find out the draw on my car alarm so I can check again and make sure there's not another one

2011 Chevy Silverado under construction

My build log here. Check it out! 

 

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