Silverado Electric Fan Wiring Diagram Fan control relay. pin 30 to negative side of low speed fan. pin 85 ign power. pin 86 ecm x1 harness pin 17. pin 87 to ground. pin 87a to positive side of high speed fan. with the requested information above i'll be able to wire up the fans to the factory location and put together a write up on how to do the install. I installed 2006 e fans on my 2001. this is a step by step tutorial on how to upgrade any 99 02 gmt800 truck or suv to the 05 06 gmt800 electric cooling fans. this same setup can be used on 03 04 trucks as well, however, the only difference is the wiring that connects to the pcm. i will also add that a custom tune from someone like blackbear.
2005 Electric Fan Wiring Diagram Chevy Silverado And Gmc Sierra Forum If so, then the 2 wires that go to pcm have a disconnect, you can remove the end and then probe each wire on the relay side of the harness with a simple ground and it should make the fans turn on. my build log: silentbravo's 2001 gmc sierra 2500hd. 2003 gmc sierra rclb. my channel. Insert the bolt through the terminal on the end of the ground wire and re attach the bolt to the bracket. 13. plug the harness into the electric fans. fan 1 is on the driver’s side and fan 2 is on the passenger’s side. 14. use the supplied push lock connectors to mount the relay center to the fuse box housing using the holes drilled in step 2. I'm in the midst of gathering required knowledge items for an efan conversion on my 2004 gmc sierra. to answer your questions (and then some): oem efans on 2005's supposedly push about 10,000cfm. however, it should also be noted that 2005 2006 (and 07 classic) models also use a 34" radiator (compared with the 28" radiator on the 03 04 models. Shreveport. this is a step by step tutorial on how to upgrade any 99 02 gmt800 truck or suv to the 05 06 gmt800 electric cooling fans. this same setup can be used on 03 04 trucks as well, however the only difference is the wiring that connects to the pcm. i will also add that a custom tune from someone like blackbear performance (who is a site.
Silverado Electric Fans Wiring I'm in the midst of gathering required knowledge items for an efan conversion on my 2004 gmc sierra. to answer your questions (and then some): oem efans on 2005's supposedly push about 10,000cfm. however, it should also be noted that 2005 2006 (and 07 classic) models also use a 34" radiator (compared with the 28" radiator on the 03 04 models. Shreveport. this is a step by step tutorial on how to upgrade any 99 02 gmt800 truck or suv to the 05 06 gmt800 electric cooling fans. this same setup can be used on 03 04 trucks as well, however the only difference is the wiring that connects to the pcm. i will also add that a custom tune from someone like blackbear performance (who is a site. Wiring connections: 1. the low speed fan wire (dark green) was connected to c1 42. 2. the high speed fan wire (dark blue) replaced the re circulation pin in position c2 33. i just taped up the old pin and tucked it inside the factory harness. 3. the a c high pressure sensor signal wire (red black) connected to c2 14. 4. Electrical manual 2014 light duty full size c k trucks revision date 06 19 2013 (wip) relay controlled power mode. the bcm uses the discrete ignition switch inputs off run rank voltage, accessory voltage, and ignition 1 voltage, to distinguish the correct power mode. the bcm, after determining the desired power mode, will activate the.
Silverado Electric Fan Wiring Diagram Wiring connections: 1. the low speed fan wire (dark green) was connected to c1 42. 2. the high speed fan wire (dark blue) replaced the re circulation pin in position c2 33. i just taped up the old pin and tucked it inside the factory harness. 3. the a c high pressure sensor signal wire (red black) connected to c2 14. 4. Electrical manual 2014 light duty full size c k trucks revision date 06 19 2013 (wip) relay controlled power mode. the bcm uses the discrete ignition switch inputs off run rank voltage, accessory voltage, and ignition 1 voltage, to distinguish the correct power mode. the bcm, after determining the desired power mode, will activate the.
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