Compression Ignition Addict
Join Date: Oct 2009
Location: Borger & College Station TX
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If you're reading the Volts off the CTS, that's an "okay" indicator. But you need to get them flow tested by a real battery tester.
(I call it flow tested... dunno what the technical term is).
And 11.5 is lowish. But not terribly low. Mine run around 14v and when I start it they dip to 13.4v for less than 5seconds.
But then again, mine are a few months old.
LSP Assistant Director
Got every PSD made...
My DD: '13 6.7L with Optimus Prime's wanker still on the exhaust