J JBigpipes New member Joined Aug 10, 2008 Messages 10 Aug 22, 2009 #1 im stumped my tach on the dash works but dosent read over 500 rpm no matter how much pedal i give it but when i hook up my laptop to the pcs it reads the right rpm. any help would be great please
im stumped my tach on the dash works but dosent read over 500 rpm no matter how much pedal i give it but when i hook up my laptop to the pcs it reads the right rpm. any help would be great please
Mo Smoke It's 5 O'Clock Somewhere Joined Dec 13, 2006 Messages 1,639 Aug 23, 2009 #2 What wires are you connected to in the truck to feed the dash?
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