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<h2>What does a transmission wire harness&nbsp;do?</h2>A transmission wire harness is a specific type of wire harness or cable harness, designed for use in a vehicle's transmission system. It is not only responsible for transmitting electrical signals and power between various transmission components such as sensors, solenoids, actuators, and control modules. It is also necessary to ensure that signals related to gear selection, shift points, torque converter lock-up, and other transmission functions are transmitted and received correctly. Transmission wire harnesses for cars enable transmission systems to operate smoothly and efficiently by providing the necessary electrical connections. Additionally, transmission wire harnesses help protect wiring and electrical connections from damage, vibration, and interference. Overall, the transmission wire harness plays a vital role in facilitating the electrical communication and control required for the proper functioning of the vehicle's transmission system.<h2>How to diagnose a broken transmission wire harness?</h2>Diagnosing a damaged transmission wire harness&nbsp;requires a systematic approach to identify the underlying problem and determine whether the&nbsp;wiring harness&nbsp;is the source of the problem. Start by visually inspecting the transmission wire harness&nbsp;for any visible wear or looseness. If you cannot confirm, you can choose to take the following methods:<ul><li>Test electrical continuity: Use a multimeter to check the electrical continuity of the transmission harness. If a faulty connection interruption is detected, it may be an object of concern.</li><li>Scan error codes: Connect an <a href="https://a-premium.com/collection/ob2-scanners">OBD II diagnostic scanner</a> or code reader to the vehicle. Check for any error codes associated with the transport system.</li><li>Perform functional tests: Perform functional tests of the drive system, such as engaging different gears and observing their response.</li></ul><h2>Superior transmission control&mdash;A-Premium transmission wire harness</h2>A-Premium's transmission wire harness has excellent durability and anti-aging properties. It can work persistently under various harsh conditions, ensuring reliability and long life. When you are unsure which one is your proper choice, 24/7 quick response at your service.

Transmission Wire Harness

Air Cleaner

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Air Filter Box

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Mass Air Flow Sensors/Car MAF Sensors | A-Premium

Air Flow Sensor

Air Intake Duct

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Air Intake Hose

Air Intake Manifold Actuator Control Solenoid

Air Intake Manifold Flap Adjuster

Air Intake Manifold Runner Control Sensor

Air Intake Resonator

Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

Intake Manifold Flap Actuator

Intake Manifold Repair Bracket

Intake Manifold Runner Control Valve

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Intercooler

Intercooler Hose

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Oxygen Sensor

Car Oxygen Sensor Price From $24.99 | A-Premium

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Pressure Sensor

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Supercharger Pulley Drive Unit

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Supercharger Snout Rebuild Kit

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Throttle Body

Throttle Cable

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Throttle Position Sensor

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Turbocharger

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Turbocharger Gasket Kit

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Turbocharger Oil Line

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Vacuum Pump

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Air Filters & Intake Systems

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Camshaft Adjuster

Camshaft Adjuster Cover

Camshaft Kit

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Camshaft Timing Gear

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Camshafts

Chain Tensioner Adjuster

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Cylinder Head

Cylinder Head Assembly

Eccentric Shaft Actuator

Engine Timing Belt

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Engine Valve Cover

Engine Valve Cover Gasket

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Harmonic Balancer

Rocker Arm

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Rocker Arm Shaft Lifter Assembly

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Timing Belt Kit

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Timing Chain Gear

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

Valve Cover Gasket

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Valve Lifter Guides

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Valve Lifters Tappet

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Cams, Timing & Valvetrain

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Belt Tensioner

Coolant Level Sensor

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Crank Installer Tool

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Crankcase Breather Hose

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Crankcase Breather Valve

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Crankshaft Position Sensor

Crankshaft Pulley

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Engine Oil Dipstick

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

Harmonic Balancer Crankshaft Hub

Knock Sensor

Oil Baffle

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Oil Cooler

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Oil Cooler Line

Oil Drip Pan

Oil Filler Cap

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Oil Filter

Oil Filter Base

Oil Filter Cover

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Oil Filter Housing

Oil Filter Housing Cover

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Oil Level Sensor

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Oil Pan

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Oil Pump

Oil Pump Drive Gear Shaft

Oil Pump Pickup Tube

Oil Separator

Serpentine Belt

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Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

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Electronic Ignition System

Engine Valve Covers & Ignition Coils Kits

Glow Plug

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Glow Plug Relay Module

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Ignition Coil

Ignition Coils & Spark Plugs & Wires Kits

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Ignition Coils & Spark Plugs Kits

Ignition Coils & Wires Kits

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Ignition Distributor

Ignition Lock Cylinder

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Ignition Starter Switch

Ignition Switch Actuator

Kill Switch

Knock Detonation Sensor

Relay

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Spark Plug

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Spark Plug Wire

Electronic Control Modules, Ignition & Distributors

Engine Wiring Harness

Intake Manifold Repair Kit

Pulley

Engine Components & Accessories

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Active Grille Shutter Actuator

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Auxiliary Water Pump

Drive Motor Inverter Cooler

Electric Engine Water Pump

Engine Coolant Air Bleeder Valve

Engine Coolant Pipe

Engine Coolant Shut Off Valve

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Expansion Tank

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Expansion Tank Mounting Plate

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Fan Pulley Bracket

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Fuel Cooler

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Overflow Hose Connector

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Radiator

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Radiator Control Fan Module

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Radiator Core Support Skid Bar Plate

Radiator Fan Cooling Motor

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Radiator Hose

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Engine Cooling

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The engine comprises many essential elements such as the lower cylinder block, upper cylinder head(s), and the cooling & lubricating systems. With A-Premium aftermarket engine components, you can expect that your engine deliver years of reliable performance. We offer a diverse selection of engine components from air filters and ignition coils (kits) to fuel pumps to cater to your needs.

2004 Audi TT Transmission Wire Harness

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