by MMeier » Sun May 10, 2009 12:21 pm
truck has a flat 4 type under dash, tach has a 6 wire square type dealio, which wires are for what???? I found bat+ and light power, leaves 2 black looking wires for signal and ground. Something tells me not to cross those 2 up !
'93 W250CC, 5 speed, 3.54's, pump tweaks, NV4500 conversion, straight piped, 33's. Also, have '03 3500 QC 4WD dually, 551HP/ 1008 TQ @ MATS '07