UP LS2 LS3 L99 w/4L65E 4L70E 4L80E 4L85E Fuel Injection ...

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20 Gauge Blue/White Wire: This wire is to be connected to a second cooling fanrelay if your vehicle utilizes two cooling fans. This wire is only to be connected to theactivation terminal which controls the coil of a relay. It grounds the relay to turn it on.See diagram below for explanation. This harness only supplies the activation wire forthe relay. Painless offers a simple relay kit #30101 which would provide the relay,circuit breaker, terminals and wire as shown in the below diagram.29
Transmission Connections:Depending on whether your transmission is a 4L65E, 4L70E, 4L80E or 4L85E then thesolenoid pack connector is located on the passenger or driver side of the transmission.4L65-70E has it located on the passenger side and the 4L80-85E is on the driver side.Locate the connector on your transmission and plug the corresponding harnessconnector into it. The 4L65-70E vehicle speed sensor is located in the tail shafthousing of the transmission. Locate the vehicle speed sensor in your transmission andplug the corresponding connector labeled VSS into it. If you have a 4L80-85E see notebelow.Note: Converting the 4L65-70E Transmission Connector to a 4L80E-4L85EConnector. All harnesses have the transmission connector pre terminated to allow useof the 4L65E/4L70E transmission. In applications where a 4L80E-4L85E is to be usedfollow this procedure to change your transmission connector to ensure all functions ofthe transmission work properly.• With the terminal end of the connector and the arrow on top pointing towardsyou, carefully remove the white retaining lock located in the center of theconnector.• Locate the white wire located in terminal location S. Using a paper clip or smallscrewdriver, gently lift the locking tab inside the connector and pull the wire fromits location.• Now locate the brown wire located in terminal location U. Using the samemethod, remove the brown wire from its location• Gently insert the brown wire into terminal location S.• The white wire has no function with the 4L80E transmission; it needs to be tapedup and stowed in the harness in case a 4L65E is ever to be used.30
Page 1 and 2: Wire Harness InstallationManual #90
Page 3 and 4: TABLE OF CONTENTSINTRODUCTION ….
Page 5 and 6: o Gear ratios and tire diameters ar
Page 7 and 8: alternator and power steering pumps
Page 9 and 10: Disconnect battery cables from theb
Page 11 and 12: Alternators and Charge Wires:Built
Page 13 and 14: Electronics and Heat Don’t Get Al
Page 15 and 16: Mounting the Fuse Block:This fuse b
Page 17 and 18: Harness Routing:Now that the ECM, T
Page 19 and 20: Making the Harness Connections:At t
Page 21 and 22: In the parts kit you should find se
Page 23 and 24: On the driver side of the engine bl
Page 25 and 26: NOTE: Don’t forget about the inli
Page 27 and 28: Route the throttle body connector o
Page 29: Electric Cooling Fans:This 60524 ha
Page 33 and 34: Oxygen Sensors:This harness utilize
Page 35: Accelerator pedal: Pictured below i
Page 38: Fuse block through hole template:Cu

UP LS2 LS3 L99 w/4L65E 4L70E 4L80E 4L85E Fuel Injection ...

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