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Old 04-21-2010, 01:56 PM   #5
TLightning
Montana Master
 
Join Date: Nov 2007
Location: Kville
Posts: 2,865
M.O.C. #7871
Quote:
quote:Originally posted by RCN.Stoker

Can you give the reference? First time I have ever heard this. I only use T/H in hilly terrain.
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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