When you turn the key, the solenoid engages, using the electrical motor in the starter to get your engine running. If the solenoid is not functioning properly, the. How to Replace a Starter Solenoid. The starter solenoid transfers electricity to the starter motor from the battery when you turn the key in the ignition. If you test. Typically I've only seen three posts on the starter solenoid. The thickest one is for power from the battery. There is also a much small one which  Starter motor will not spin on car, suspect solenoid.


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Near the switch contacts, there is an additional resistance short circuit switch made of a small copper sheet, which is connected to the terminal 15a.

The inner structure of the solenoid is shown in the left Fig. How to replace a starter solenoid Starter Solenoid Replacement If you want starter motor solenoid replace your starter solenoid, you have to take out the starter motor from your vehicle first.

Solenoids Starter Parts | eBay

The location of the starter motor can be differed by car models, the following instruction is the regular way to replace a starter solenoid. The step is starter motor solenoid removing a starter motor and step about replace a starter motor solenoid solenoid.

Disconnect the car battery negative cable Step 2. Lift the vehicle if the starter motor is under the car.

Starter Solenoids | Mid Ulster Rotating Electrics

Remove the nut in the starter solenoid terminal. Dismount the terminal of the cable of the car battery anode from the starter.

Remove the nut in the starter solenoid terminal S. Remove the retaining bolts in the starter.

Starter solenoid

Take out the starter. Unscrew the retaining nut of the solenoid terminal, as shown in the pictures below. Unscrew the two nuts that fix the solenoid to the shell of the starter Starter motor solenoid drive and remove the solenoid.

As shown in the following picture.

Starter solenoid - Wikipedia

Install the new starter motor solenoid solenoid according to the reverse procedure of removing the solenoid. As shown in the above figure, hook the plunger hook to the starter fork, then use retaining bolts to install the starter solenoid to the starter shell.


starter motor solenoid Note and mark the installation direction of the starter solenoid before the disassembly, if install in the opposite position, the starter will not operate.

Connect the motor lead, install and fix with a nut. Starter Solenoid Retesting After the solenoid is installed, connect the corresponding circuit.

Starter solenoids

The no-load test can be carried starter motor solenoid on the car battery to verify the maintenance effect of the starter. The starter can be installed on the vehicle after it operates well in the no-load test.


Install the starter motor according to the reverse procedure of removing the starter motor Step If you lose the retaining bolt of the starter, you should be starter motor solenoid with the length of the new bolt, in case that over-long bolt bursts starter motor solenoid coil former some models of solenoids will not have this fault and induces ground loop.

Also, remember to use a spring washer when installing the bolt.


The current of the starter is large in operating and terminal B and terminal M will overheat because of that.