1996 to 1999 vortec 4 3 5 0 5 7 7 4l harness schematics and info.
Ls swap fan relay wiring.
A trigger wire from the a c wiring must be wired into the electric fan relay s to pass air through the condenser when the a c is on.
In this way the electric fans are always wired in parallel so that each fan receives system voltage.
30 other red wire needs constant 12 volt power from the battery.
Specializing in gm trucks and suv electric fan conversions for.
Camaro firebird corvette caprice impala roadmaster.
87 red wire connects to the positive wire on the electric fan.
1999 to 2007 vortec 4 8 5 3 6 0 harness wiring info tons of info here please read all the pages linked.
The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan.
Lt1 ls1 05 oem flex a lite universal street strip.
Part 5 of the ls wiring harness cleanup will cover the installation of the 4 fuse block main relay fuel pump relay and a custom 8 pin connector to support.
Getting to the bottom of what it takes to wire your swaps fuel pump and fans.
Your 1 source for oem operated pcm controled and universal electric fan harnesses.
1992 to 1997 lt1 5 7 and l99 4 3 wiring harness info includes.
New page on air conditioning controls.
Wiring guide ls cylinder head supporting components guide.
Delco weather pack connectors trigger pins plugs and the heaviest duty highest amp rating 40 60a duty automotive relays.
However since the pcm is only applying a ground to each fan relay signal circuit two fans can be controlled through two relays for on off operation.
When you are doing a build with the ls family of gm engines the idea is to end up with a.
86 gray white wire goes to the ignition switch.
Camaro and firebird ls swap.
2007 to 2009 vortec 4 8 5 3 6 0 6 2 harness information.
Also how to enable the fans in hp tuners when using a truck harness.