Ls1 Ac Diagram
The ls is a compact power plant which makes the swapping process much easier than with many other engines including the ford modular 4 6l and coyote 5 0 engines.
Ls1 ac diagram. Looking at the wiring diagram for a 2002 corvette it looks like the ac request pin on the pcm is grounded by the ac controller manual control however on 2002 camaro schematics it looks like the ac request is switched to 12. Ict billet ac bracket review ls1 ls2 ls3 or vortec 5 3 part 551494 3 duration. Air conditioning install vintage air gen iv surefit chevy c10 truck a c duration. I just went though the wiring for ac on the vette and the camaro into an s14 it s actually pretty simple.
Air conditioning install vintage air gen iv surefit. Want to integrate 12200411 pcm control of the ac compressor with my vintage air system. I tapped into pin 14 on the 240sx climate control unit to get 12v. Pin 43 of the ls1 ecu is the clutch relay control it uses ground.
The hvac electrical diagrams for the s14 span 6 pages the vette diagram doesn t even fill 1. Upgrading to gen iii ls series pcm. So a relay will be needed to send 12v to the ls1 ecu. Every model is capable of taking an ls between the fenders.
The fox body is the most popular as well as the simplest. I used the ground signal coming from pin 13 to close the coil and send 12v to the ls1 ecu. Fuel injectors air pump and iac charging system schematics. Ignition module bank 1 1 3 5 7 bcm and fuel pump starting system schematics ignition module bank 2 2 4 6 8 battery and ignition switch ect engine oil level cruise module.
The va system provides ground for the relay coil. Air conditioning guide february 15 2015 by ls engine diy all too often pcm controlled or monitored air conditioning is overlooked after the engine has been swapped the new wire harness has been installed and custom calibrated pcm has been received from the tuner.