The Acura TL is a mid-size luxury car from Honda’s Acura brand. It was introduced in 1996. The 2004 TL is powered by all-aluminum 3.2 liter VTEC V-6 engine now pumps out 270 hp and 238 lb-ft of torque @ 5,000 rpm.

acura tl wiring diagram The following article is actually part of service manual of 2004 Acura TL. It discuss about the body electrical system, connectors, wiring diagram, electrical schematics, wiring harness, relays, fuse of the vehicle. The vehicle electrical system includes the battery, wiring, starting motor and controls, generator and voltage regulator, electronic ignition, and electronic fuel metering. Also included may be a computerized electronic engine control system, an electronically displayed driver information system, various types of radios and sound systems, and many other electrically operated and electronically controlled systems and devices.

This article contains topic and discussion about: body electrical system general troubleshooting information, relays and control unit locations, connectors and harness, fuse/relay/boxes, power distribution, ground distribution, under-hood fuse/relay box removal/installation and DTC troubleshooting, battery, ignition switch test, multiplex integrated control system component location and troubleshooting, keyless/security alarm system, horns test and replacement, exterior lights (bulb replacement/taillight replacement), turn signal/hazard flasher, dash lights brightness controller, interior lights, entry light control system, homelink remote control system, power window, wipers and washers, gauges, reminder system, engine oil pressure indicator system, rear window defogger, moonroof, accessory power sockets, automatic dimming inside mirror, seat belt tension reducer, trunk lid opener, power mirror, immobilizer system driving position memory system, audio and radio, display panel control system, etc.

Find more about 2004 Acura TL Body Electrical System, Harness Wiring Diagram service and troubleshooting here on page 1482 – 1816 of Acura TL service manual.

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