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Type :
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ACgenerator Alternator
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Specification :
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12V 160A
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Pulley :
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6PK
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Brand :
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nuojin
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Number :
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56029914AG
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Quality :
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Remanufacture
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Delivery time :
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10 day
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The installation method of the Chrysler 12V generator varies by model. Below, we take the Chrysler Voyager and Crossfire as examples to introduce the specific installation procedures:
Disconnect the negative battery cable: Remove the negative battery cable from the battery and insulate it to prevent contact with any terminals.
Loosen the belt: Locate the serpentine belt tensioner at the front of the engine. Use a socket and ratchet wrench to rotate the tensioner clockwise to loosen the belt, then slide the belt off the generator pulley.
Disconnect the wiring harness: Find the wiring harness connection on the back of the generator. Use a socket and ratchet wrench to remove the five connecting nuts, then unplug the wiring harness.
Remove the old generator: Locate the two mounting bolts that secure the generator to the mounting bracket—one at the top and one at the bottom of the generator. Remove these two bolts with a socket and ratchet wrench, then take out the old generator from the engine compartment.
Install the new generator: Mount the new generator onto the mounting bracket and secure it with the original two mounting bolts, but do not fully tighten them yet.
Connect the wiring harness: Attach the wiring harness connector to the rear of the generator. Connect the larger wire to the "B" terminal, then install the remaining wires and tighten the fixing nuts.
Install the belt: Use a socket and ratchet wrench to rotate the tensioner clockwise, place the belt on the pulley, and then release the tensioner.
Reconnect the negative battery cable: Attach the negative battery cable to the battery and tighten the fixing bolt.
Disconnect the negative battery cable: First, disconnect the negative battery cable.
Remove the right air intake duct: Operate carefully to avoid damaging components.
Remove the accessory drive belt: Pull the tensioner counterclockwise to remove the accessory drive belt from the generator pulley. If necessary, lock the tensioner with a pin or release it slowly after loosening the belt.
Remove the generator bolts: Take off the upper and lower mounting bolts of the generator.
Disconnect the cables and wiring harness connector: Remove the protective plastic cover of the generator's B+ cable, then disconnect the B+ cable and the generator wiring harness connector.
Take out the old generator: Remove the old generator from its mounting position.
Install the new generator: Mount the new generator onto the mounting bracket. Connect the B+ cable and tighten the fixing nut to 15N・m, install the protective plastic cover, and then connect the generator wiring harness connector.
Install the bolts and belt: Fit the upper and lower mounting bolts of the generator and tighten them to 42N・m, then install the accessory drive belt.
Reinstall the right air intake duct: Restore it to its original position.
Reconnect the negative battery cable: Ensure a secure connection.
Before disassembly, the negative battery cable must be disconnected. It is recommended to wait 5-10 minutes to allow the on-board capacitors to fully discharge, avoiding short circuits that could damage electronic components such as the ECU and voltage regulator. Do not arbitrarily turn on the power during the entire installation process. Reconnect the negative battery cable only after all components are securely fixed and the wiring harness connections are completed. Under no circumstances should the operation sequence be reversed.
Prioritize the use of tools with insulated handles. During operation, prevent tools from touching both the generator terminals and the vehicle's metal body simultaneously to avoid dangerous electric sparks. If a tool accidentally contacts conductive parts, immediately stop operation and check for circuit damage.
Some components in the engine compartment (such as a recently shut down engine and exhaust pipe) may retain high temperatures, so heat-resistant gloves are required. Avoid contact between engine oil, coolant and skin or circuit interfaces. When sanding wiring harnesses or disassembling components, it is recommended to wear safety goggles to prevent debris from splashing.
The 12V generators of Chrysler models with different years and configurations vary in power parameters, mounting holes, pulley specifications and wiring harness interfaces. Before installation, confirm that the model and size of the new generator are completely consistent with the original vehicle parameters to avoid installation failure or damage to surrounding components due to mismatched models.
After unpacking, check that the generator surface has no collision marks or cracks, the pulley rotates smoothly without jamming or abnormal noise, and the terminals are free of oxidation and corrosion. Some generator models require pre-filling with specified lubricants according to the product manual; mixing different types of lubricants is strictly prohibited.
When removing the old generator, simultaneously check the wear status of the drive belt, belt tensioner and idler pulley. If the belt is cracked, aged or detached, or if the tensioner has insufficient elasticity or the idler pulley makes abnormal noise during rotation, they must be replaced together to avoid abnormal generator load or damage caused by auxiliary component failures later.
Before connection, it is recommended to mark the corresponding interfaces of each wiring harness (photos can be taken for reference), clearly distinguish the positive and negative poles and the interface positions of core wiring harnesses (such as excitation wires and output wires). Incorrect wiring may directly burn out the generator or on-board electrical appliances. Ensure that the wiring harness connectors are fully engaged to avoid loosening.
If there is an oxide layer on the terminals, gently sand it with fine sandpaper until the metal luster is exposed. If necessary, apply conductive paste to improve contact stability and prevent heating or ablation due to poor contact after power-on. Be careful not to let sanding debris fall into the generator or circuit interfaces during sanding.
Use original vehicle-specification fixing bolts and operate according to the principle of "diagonal uniform tightening" to avoid deformation of the generator housing due to uneven force. The bolt tightening torque must comply with the provisions of the Chrysler vehicle maintenance manual (slightly different for different models, requiring precise matching). Over-tightening is prohibited as it may cause thread damage or housing rupture.
After installation, confirm that the generator pulley and the engine crankshaft pulley are in the same plane with a deviation of no more than 1mm to prevent belt misalignment, abnormal wear or detachment.
The belt tension must be controlled within an appropriate range: excessive slack will cause belt slipping and reduce power generation efficiency; excessive tightness will accelerate generator bearing wear and shorten service life. For models with manual adjustment tensioners, press the middle of the belt by hand—the appropriate indentation is 10-15mm. For models with automatic tensioners, confirm that the tensioner resets smoothly without jamming after installation.
After starting the vehicle, use a multimeter to measure the generator output voltage. The normal range at idle speed is 13.5-14.5V, and it should stabilize at 13.8-14.2V at high speed (2000-3000rpm). If the voltage is abnormal, check the excitation circuit, voltage regulator and wiring harness connections.
Observe whether the charging warning light on the instrument panel goes out and whether the generator operates without abnormal noise (such as bearing noise or belt slipping noise) when the engine is running. If the warning light remains on or abnormal noise occurs, immediately shut down the engine to troubleshoot.
Conduct a short-distance test drive of 5-10 kilometers after installation. After parking, check whether the generator terminals and pulley have overheating phenomenon or burning smell.
If the vehicle is equipped with an OBD system, use a scanner to read the generator data stream and confirm that the power generation status is normal. During long-term use, if problems such as difficulty in starting, dim lights, or battery depletion occur, promptly re-inspect the generator and wiring harness connections.
References：As for the content regarding the precautions for installing the Chrysler 12V generator provided earlier, no completely matching source was found in the search results. The content in the search results is from platforms such as PCauto, Autohome, and Sohu. Although it covers aspects like automobile generator installation steps, wiring methods, and precautions, none of it is completely consistent with the content you provided.
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