Standalone Pcm Wiring Diagram. Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. It is suitable for use with most 48 ls 53 ls ls1ls6 60 ls 62 ls and ls7 gm engines.
These harnesses include the gen ii lt1lt4 gen iii 24x ls1ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt ecotec3 engines. If using an older engine you. This harness is the connection between the ecmtcm and the engine harness as well as the transmission.
This painless performance efi wiring harness is for 1999 2006 48l 53l 60l mechanical throttle body engines using an ls1 ls6 pcm with a 4l60e 4l65e 4l70e 4l80e 4l85e or manual transmission.
Complete unlock pcm and engine wiring harness. Besides that are there any other things i need to know about this pcm for powering up enabling tach there is currently no wire adding a. A wiring diagram usually gives suggestion nearly the relative tilt and contract of devices and terminals on the devices to assist in building or servicing the. Standalone wiring harness rewire and pcm tune included ls1 lsx 48 53l 57 60l 15 bulky stock wiring harness to a like new standalone 3 wire harness.