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

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Passenger Compartment Connections:Ign. Switch Crank: This 14 gauge purple wire connects to the crank terminal ofyour ignition switch. It originates at the PRNDL switch mounted on the transmission. Ifthe vehicle is in park or neutral and the ignition switch is in the crank position, 12 Voltswill travel from the ignition switch, down this wire to the PRNDL switch, back out of thePRNDL switch on the purple wire that leads to the starter solenoid.Fuse Block Ignition: There are two wires with this section label wrapped aroundthem.• Pink- This 20 gauge wire connects to an ignition/crank 12 Volt source. Makesure where you connect this wire has 12Volts with the ignition switch in the runand crank positions. With 12Volts applied to it this wire turns on this fuel injectionharness. Use one of the blue Posi-Taps in the parts kit to make this connection.• Lt. Green- This 18 gauge wire connects to the reverse light fuse of your chassisharness’ fuse block. This wire provides 12 Volts to the part of the PRNDL switchthat controls the reverse lights of the vehicle. Use one of the blue Posi-Taps inthe parts kit to make this connection.Brake Switch: This 20 gauge Light Blue/White must be connected to your brakeswitch. It must see 12Volts when the brake is applied.VSS Output: This 20 gauge Yellow/Black wire connects to your electricspeedometer’s signal input terminal. This wire originates from the ECM which transmitsa signal relative to vehicle speed that can be read by most aftermarket electricspeedometers. See the installation manual for your speedometer for instruction on howto calibrate it according to the ECM’s signal.DLC: This OBD-II connector is your link to what the ECM, TCM, engine andtransmission are doing. It is a good idea to mount the connector in an easily accessiblelocation such as the glove box, console or under the dash. You can use the bracketalready zip tied to the connector or build your own mounting solution.MIL: This check engine light is OBD-II compliant. Mount the light somewhere in thedash so that you can easily seeit. The ECM will command thislight on if it sees an operationalproblem with the engine ortransmission.33
Accelerator pedal: Pictured below is the OEM accelerator pedal from a 2006-2010Chevrolet Corvette. This is the part number listed in the part list on page 9. As you cansee the pedal is made from steel. You should also notice the foot pad is offset to thewrong side of the mounting flange. If you were to try to mount this pedal into just aboutany hot rod you would find that the mounting flange would need to be mounted rightwhere the steering column pokes through the fire wall.The pictures on the next page show a custom built bracket designed to offset the mountpoints on the accelerator pedal and the OEM mounting points on this 1978 Camaro thatreceived a <strong>LS3</strong> engine with this harness. Notice that we had to build a custommounting bracket in order for the foot pad to line up with the brake pedal.Another alternative to the OEM Corvette pedal is to purchase an accelerator pedal froman aftermarket company such as Lokar. They manufacture custom accelerator pedalswith the hot rod look to them.34
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 and 30: Electric Cooling Fans:This 60524 ha
Page 31 and 32: Transmission Connections:Depending
Page 33: Oxygen Sensors:This harness utilize
Page 38: Fuse block through hole template:Cu

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

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