Cruise Control Module, ECT Sensor, Engine Oil Level Switch and Generator: Figure 15: Cruise Control Clutch Switch and Manual Transmission: Figure 16: Automatic Transmission and Stop Lamp Switch:. Modified LS1 wiring harness. modified 2000 ls1 harness, emissions removed, a/c removed, for manual transmission.. This sensor is mounted at the rear of the engine and thorough the top of the engine block - GM Part Number 12561211. Crank Position Sensor : This sensor provides the PCM with the data needed to determine engine speed and one of the main factors used to calculate injector pulse width (IPW) and ignition timing.
This sensor is found on 1991-1992 TPI engines and 1992-1997 LT1 engines. The LS1/LS6/LS2 MAP sensor (bottom left) is sealed to the intake manifold with a rubber seal. The MAP sensor used with the LS-series engine in the GM trucks (bottom middle) are functionally the same as the LS1/LS6/LS2 MAP sensor.. Low oil level sensor- need electrical diagram.. The 220 connector is one of the connectors that hooks into your engine harness thats located underneath the passenger side kick panel. I would imagine that the other wire is just a ground.. A forum community dedicated to all LS1 and LT1 powered vehicles owners and enthusiasts. Come join the.