Alternator MN183450 11055 11095 M1800A145D MN183451 A3TG2192 113782，J5115082，ALM3782BA,ALM3782BS,ALM3782GB FOR Mitsubishi A3TG4891 1800A064 A3TG1191 A3TG1192，LRA03261，A003TG3491

The installation method for the 12V generator of different models of Mitsubishi cars is generally similar, but there are some differences in details. The following are the general steps for installation: 1. Preparation work: ◦ Tool preparation: Prepare the appropriate tools, such as wrenches, sockets, etc. ◦ Vehicle protection: Pull up the handbrake, place wheel chocks to prevent the vehicle from moving. Open the hood of the engine compartment and take protective measures to avoid scratching the body. ◦ Disconnect power: Disconnect the negative cable of the battery to prevent short circuits or other dangers during installation.Dismantling the old generator (if replacing): ◦ Remove the drive belt: Loosen the adjustment bolts of the generator to release the tension on the belt, then take off the belt. ◦ Disconnect the electrical connection: Pull out the wiring plug of the generator, unscrew the wire nuts connecting to the generator, and separate the wires from the generator. ◦ Remove the fixing bolts: Use the appropriate tools to loosen the bolts that secure the generator, which are usually located on the bracket or mounting base of the generator. ◦ Take off the old generator: Remove the old generator from its installation position, be careful to place it properly to avoid damage.Installing a new generator: ◦ Install the generator: Align the new generator with the installation position, gently place it in, and ensure that the mounting holes of the generator are aligned with the mounting screws on the engine. ◦ Tighten the fixing bolts: Insert the fixing bolts and tighten them evenly according to the specified torque. The tightening torque for the fixing bolts of generators may vary by vehicle model, refer to the vehicle maintenance manual. ◦ Connect the electrical lines: Connect the previously disconnected wires to the corresponding terminals of the new generator, tighten the wire nuts, and plug in the wiring plugs to ensure a secure connection.Install the drive belt: Put the drive belt on the pulleys of the generator and other related components (such as the crankshaft pulley, water pump pulley, etc.), then adjust the tightness of the drive belt using the adjusting bolt. Generally speaking, it is appropriate to press the middle part of the drive belt with a finger, and its deflection should be within the specified range (usually about 10-15 millimeters).  •  Reinstall other components: Install the previously removed components, such as the intake hose, back to their original positions in the engine compartment and ensure they are securely installed.  •  Connect the negative battery cable: Reconnect the disconnected negative battery cable to the battery and tighten the fixing nut.Inspection and Testing: Check if the generator is installed firmly and if all connecting components are reliable. Start the engine and observe the operation of the generator, such as whether the charging indicator light goes off. At the same time, a multimeter can be used to measure the output voltage of the generator, which should be within the normal range (generally around 13.5-14.5V).

When installing a Mitsubishi 12V generator, the following precautions should be taken:

• Safety Operation:

◦ Turn off the power supply: Make sure to turn off the vehicle's engine and disconnect the negative cable of the battery before installation to prevent electric shock or short circuit accidents during operation.

◦ Use protective equipment: It is recommended to wear safety glasses, gloves, etc., during the installation process to protect your own safety.

• Generator and Accessories Inspection:

◦ Specification matching: Ensure that the specifications of the new generator match those of the original vehicle, including voltage, power, installation dimensions, wiring methods, etc. Otherwise, it may not be able to be installed or used normally.

◦ Appearance inspection: Carefully inspect the appearance of the generator to check for damage, deformation, missing parts, etc. If there are any issues, replace them promptly.

Installation Procedure: ◦ Appropriate Installation Location: Select a flat, stable, and well-ventilated area to install the generator. Ensure that the installation location is sufficiently distant from fuel storage areas, flammable materials, and other potential hazards. During installation, align the generator accurately with the installation position to ensure that the mounting holes are perfectly aligned with the mounting screws on the engine, avoiding difficulties in installation or damage to components due to positional deviations. ◦ Bolt Tightening Specifications: Use the appropriate tools to tighten the fixing bolts according to the torque values specified in the maintenance manual. Tightening the bolts too tightly may damage the components, while loosening them too much can cause the generator to work unstable or even fall off.

Correct wiring connection: When connecting the electrical lines to the generator, ensure that the wires are connected to the correct terminals and are securely fastened without any loose or exposed parts. Pay attention to distinguishing between positive and negative poles to avoid short circuits and other issues caused by incorrect connections.

Belt installation and adjustment: When installing a belt, make sure it is correctly placed over the pulleys of the generator and other related components. After installation, adjust the tension of the belt; press on the middle part of the belt with your fingers, and its deflection should be within the specified range, generally about 10-15 millimeters. If it is too loose, it will cause slippage and affect the generator's power generation; if it is too tight, it will increase bearing load and accelerate component wear.

Installation Inspection and Testing:

◦ Overall Check: After the installation is complete, check if the generator is securely mounted, all connecting parts are reliable, without any looseness or omissions, and ensure that there are no other debris or wires around the generator that could hinder its operation.

◦ Restore Power and Test: Reconnect the disconnected negative battery cable, start the engine, observe the working condition of the generator, such as whether the charging indicator light has gone out. At the same time, you can use a multimeter to measure the output voltage of the generator, which should be within the normal range, generally around 13.5-14.5V. If any issues are found, they should be promptly investigated and resolved.

References：The content of my notes on the installation precautions for Mitsubishi's 12V generator is based on information gathered from multiple automotive maintenance-related materials and websites, without a specific single source. For example, an article on Pacific Auto Network mentioned some precautions related to wiring connections for 12V generators, which provided some reference for me in organizing the notes on line connection precautions. The content on Mitsubishi generator installation on Netease Mobile Network emphasized choosing a flat, stable, and well-ventilated installation location, as well as keeping it away from potential hazards, which I have referenced when organizing relevant sections. The material from Car Master highlighted the importance of disconnecting the negative terminal of the battery before installation, as well as tightening bolts, among other key points.