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quote:Originally posted by Tom S.
Quote:
quote:Originally posted by SlickWillie
So, I'm thinking if I have a voltage increase in T/H mode, it would be reflected by an increase on the voltage gauge in the cluster. I tried it yesterday; no voltage change. Doesn't really matter, as I always use T/H when towing.
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I don't think it would show up. The gauge is a voltmeter that monitors the voltage in the system, but the increase being discussed would be in amperage, which is not reflected by the voltmeter. Where it might show up is on the tach. If an electrical load is added to the alternator(s) some times an engine will bog down momentarily, but only for a brief period, maybe a second or less. The tach may or may not pick that up - I don't know.
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Quote:
quote:[i]Originally posted by TLightning
Sure can, it's in my owner's manual:
"If you are towing a remote (non-vehicle) battery, press the towhaul button located at the end of the shift lever. This will boost the vehicle system voltage and properly charge the battery. If the trailer is too light to use the towhaul mode, you can turn on the headlamps as a second way to boost the vehicle system voltage and charge the battery."
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I suppose I need to read it myself, but from the post TLightning made, looks like we are talking voltage here. I believe the volt meter will show increases instantly, unlike some of the instrumentation which is dampered.