JDMSPEED DSP5 Switch For 2004.5 2005 Chevy/GMC Pickup 6.6L LLY Duramax Diesel JDMSPEED

DSP5 Installation:

Pin Numbers for your DSP5 Switch

LB7 (2001-2004 Duramax)

Blue Wire = Blue connector, pin 69
Black Wire = Blue connector, pin 49

LLY (2004.5-2005 Duramax)

Purple Wire = Grey connector, pin 32
Black Wire = Grey connector, pin 50

LBZ & LMM (2006-2010 Duramax)

Grey Wire = Connector 1 (the larger plug), pin 46
Black Wire = Connector 1 (the larger plug), pin 54

Your DSP5 Switch has a nut and two washers. The bottom smooth washer must remain on the bottom with the tab located in hole number five. If it falls out, turn the switch fully counterclockwise and place the washer back with the pin in hole five and make sure the switch moves exactly four clicks clockwise. If not, turn the switch back fully counterclockwise, move the pin and try again.