
Alternator WL8118300, LRA02201, ALF1839DD, 0986080390
Applicable models: FORD RANGER 2.5 D 1999-2002
Reference part number:WL8118300,LRA02201,ALF1839DD,0986080390 CA1839IR LRA02201 WL8118300 2.5 D 1999-2002 028175,114120,CAL14113AS, F8RU10300BA,CA1839IR, 0986080390 114120 F8RU10300BA,
| Rated output : | 12V 75A |
| Pulley : | 2PK |
| Size : | 24*18*17cm single unit inner box |
| Weight : | NET WEIGHT:5.15KG |
| Packaging : | Neutral kraft paper packaging |
| Spot/Pre sale : | Spot goods |
| Warranty : | 1 year |
| Product number : |
| Type : | ACgenerator |
| Specification : | 12V 75A |
| Pulley : | 2PK |
| Brand : | NUO JIN |
| Number : | WL8118300,LRA02201 |
| Quality : | Renovate |
| Delivery time : | 10 days |





Installation Method for Ford 12V Generator
Preparation
Removing the Old Generator
Open the engine hood and locate the generator.
If the generator is equipped with an upper air duct, first remove the duct and its fixing bolts.
Loosen the belt tensioner and remove the generator drive belt.
Disconnect the electrical connector of the generator, and carefully record the connection position and method of the connector.
Unscrew the bolts and nuts that secure the generator (these fasteners may be located at the bottom, side, or top of the generator).
Remove the old generator from its installation position.
Installing the New Generator
If required, install the upper air duct of the generator and tighten its fixing bolts to 12 N·m (106 lb·in).
Place the new generator in the original installation position, insert the generator bolts, and hand-tighten them (do not fully tighten at this stage).
Install the two studs of the generator and tighten them to 24 N·m (18 lb·ft).
Install the two nuts of the generator and tighten them to 47 N·m (35 lb·ft).
Finally, fully tighten the generator bolts to 47 N·m (35 lb·ft) as well.
Connecting Wires and Installing the Belt
Install the nut for the B+ terminal of the generator onto the B+ terminal, tighten it to 17 N·m (150 lb·in), and then attach the protective cover.
Install the lower air duct of the generator.
Rotate the Front End Accessory Drive (FEAD) belt tensioner clockwise and fit the belt onto the generator drive pulley and other relevant pulleys.
Install the accessory drive splash guard and tighten the two screws to 5 N·m (44 lb·in).
Installing the Center Support Bracket
Connecting the Battery and Testing
Connect the electrical connector of the generator.
Reconnect the negative cable of the vehicle battery.
Start the vehicle and check if the generator is working normally. This can be determined by observing whether the charging indicator light turns off and using a multimeter to measure the generator’s output voltage (the normal output voltage is generally between 13.5V and 14.5V).
Accessory Selection
Give Priority to Original Accessories: Try to choose Ford - original or authorized generators. They are reliable in quality and have good compatibility, which can avoid installation failures, circuit failures and other problems caused by model mismatches.
Pre - installation Preparations
Ensure Safe Power Off: Before installation, remove the car key and disconnect the vehicle power supply to prevent short - circuits or electric shock accidents during the installation process.
Clean Components: During installation, clean the cable connectors and the surface of the generator to avoid poor contact caused by impurities.
Prepare Appropriate Tools and Equipment: Prepare installation tools such as wrenches and screwdrivers. For some generators that require matching operations, also prepare OBD detectors and matching tools that meet the technical requirements of Ford vehicles.
Installation Process
Operate Strictly According to the Manual: Must be installed in accordance with the requirements of the Ford repair manual to ensure that each step of the operation is correct and error - free, so as to avoid problems caused by improper operation.
Connect Wires Correctly: Understand the meaning of the generator terminals. According to its output characteristics, connect the positive terminal to the positive terminal of the battery, and connect the negative terminal to the metal parts of the vehicle body such as the ground wire. At the same time, install an appropriate fuse on the connection wire. If the generator has three or four terminals, accurately connect the excitation terminal, neutral point, etc.
Adjust Belt Tension: If the generator is belt - driven, when installing the belt, ensure that its model matches the pulleys of the generator and the driving wheel, and adjust the belt tension well. Too tight a tension will increase the bearing load, and too loose a tension will cause the belt to slip, reducing the power generation efficiency.
Post - installation Inspection
Perform Initialization Matching: For some vehicle models, the generator needs to be initialized and matched after installation. Follow the operation steps in the vehicle instruction manual.
Check the Working Status: After installation, start the vehicle and let it run for a while to check whether the generator is working normally. This can be judged by observing whether the charging indicator light goes out normally and using a multimeter to measure the output voltage of the generator.
Regular Maintenance: During the subsequent use of the vehicle, regularly check the working status of the generator, including whether the connection parts are loose and whether the belt is worn, so as to find and solve problems in a timely manner.
References:The specific content of the "this passage" you mentioned is not clearly given. However, based on the previous conversation content and the provided search results, there is no exact and unified source for the installation precautions of Ford 12V generators.
Some of the precautions may come from the official maintenance manuals of Ford cars. For example, the relevant content on Qiche Dashi mentions that the operation should be carried out in accordance with the maintenance manual of Ford cars. There are also some precautions that may come from professional websites and platforms in the automotive maintenance field. For instance, the Generator Technical Service Guide on Doubao.com also has similar statements about the installation precautions of generators. In addition, some automotive parts suppliers or websites related to automotive modifications may also release similar installation guides and precautions. For example, the website vintageautogarage.com has relevant instructions for the installation of generators for specific Ford models.

