2007 4L80E Wiring Wiring Diagram Data Oreo 4L80E Transmission
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Introduction The 4L80E transmission is the advanced progeny of the legendary TurboHydramatic TH400 automatic transmission, and is based heavily on the 400 in both parts and strength, yet featuring an added overdrive gear, a lock-up torque converter and advanced electronic controls.
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Most 4L80E transmissions will use the smaller, late- style output shaft speed sensor connector harness. The only exception is for some four wheel drive transmissions that don't have an output shaft speed sensor tone ring installed.
4l80e Wiring Diagram
GUIDELINES Entire transmission cooling system must be completely cleaned, hot flushed, and flow tested. A restricted and/or contaminated transmission cooling system is the #1 cause of transmission failure. If the cooler is plugged, it must be replaced. This is an electronically-controlled transmission.
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4L80E Transmission: Pre-1993 4L80E transmissions use a different internal wiring harness and pass-through connector. This early harness has a problem with leaking fluid at the pass-through connector. GM recommends upgrading to the newer connector and wiring harness. Because of this, we do not provide a wiring harness for it. If
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494 posts · Joined 2002. #1 · Sep 13, 2003. I have a Haynes manual with a wiring diagram but it doesn't match the wires on my truck. What I'm trying to do is connect a 1999 4L80 to a 1992 truck. The manual lists the same colors for the same components for both years. I have the 1999 wiring harness and it has all the same colors as shown in.
[DIAGRAM] 91 Chevy 4l80e Transmission Wiring Diagram FULL Version HD
Solenoid & Range Pressure Switch Wiring Diagram 140 Transmission System Wiring Diagram 141 Special Tools Listing 142 Solenoid Resistance Chart 146 Shift. The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana-.
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What's new The GM 4L80E transmission was produced from 1991 - 2009 in factory vehicles, they still sell it from GMPP. However, they changed the connector in 1993.
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Transmission Information GM-Holden How To - Build a 4L80E Transmission Controller with an IO12 & Harness Using an IO12 to control a 4L80E transmission is simple, proven, and the harness is straightforward enough to build using an IO12 flying lead harness. You'll need the following: - IO12 Flying Lead Harness ( HT-049902)
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25-3 4L80E FULL MANUAL TRANSBRAKE WIRING INSTRUCTIONS. Locate the 3-wire harness on the driver side of the transmission case towards the rear of the transmission. The pink wire provides power to the internal solenoids. Connect the pink wire to a key-on 12 volt (+) source. The circuit must be fused. We recommend a 15 - 20 amp fuse.
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Share. Step by step ECU setup for 4L80E/4L85E transmission The step by step instruction was built for 4L80E/4L85E transmissions wired as the diagram: Enable Transmission Control Feature: In Engine Settings - Map Options - check the boxes: - Automatic Transmission Control - Lockup control - Gear change detection Inputs.
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Written by Osuagwu Solomon in Mechanic Talk, Transmission System Last Updated July 6, 2023 The 4L80e transmission is one of the strongest and most reliable high-performance automatic transmissions built by General motors. And if you're driving one of GM's trucks like Sierra, Silverado, or Suburban, chances are you have the 4L80e.
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I am upgrading the Transmission wiring harness on my 1991 standard cab 2W C2500 Chevy truck. The old internal 4l80e is flawed. It is prone to leaking fluid into the plug and shorting the electrical wiring out causing all kinds of problems. I have replaced the internal harness in the tranny. And also the external harness that plugs into the tranny.
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Form #4157, Rev. C, 12-03-10. Installation Instruction for GM 4L80E Transmission Harness with Temperature Sensor. Remove old wire harness from valve body. Install new Rostra wire harness. Plug-in connectors as shown in the figure below. NOTE: Use this wiring harness as is with temperature sensor. If existing, leave the current temperature.
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The pink wire provides power to the internal solenoids. Connect the pink wire to a key-on 12 volt (+) source. The circuit must be fused. We recommend a 15 - 20 amp fuse. The brown wire provides torque converter lock-up clutch activation when grounded.
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GM 4L60/80E Transmission Harness - Complete terminated harness with j4 connector to operate GM electronic transmissions. For 2009+ GM 4L60/80E Transmission use Holley EFI Part Number 558-455.
