Automotive Starter Motor Wiring Diagram
If the starter does not contain an integrated magnetic switch ims.
Automotive starter motor wiring diagram. Other solenoids mostly on fords are remote mounted. Starter motor the gear reduction starter is a compact lightweight unit with high torque capacity. When activated the gear is meshed with a larger gear ring which is attached to the engine. 4 04 tl623f404c the gear reduction starter motor contains the components shown.
Most vehicles use a starter mounted solenoid that functions as a high power switch to connect the starter drive pinion gear with the flywheel to start the engine. The starter motor is a powerful electric motor with a small gear pinion attached to the end. These solenoids are. A mechanical check to see if the starter pinion gear.
Ecm engine control module battery power supply ground ei system ckp sensor circuit fuel pump fuel connector cmp sensor circuit injector heated o2 sensor circuit mtia iac sensor map ect. Starter solenoid wiring diagram without starting relay type. This type of starter has a compact high speed motor and a set of reduction gears. Starter motor operation automotive rustin 1100.
While the motor is smaller and weighs less than conventional starting. Before the engine starts the alternator does not generate electricity the voltage of the neutral tap n binding post is zero no current passes through the charge light relay starter relay coil and charging indicator relay contacts are connected to ground. Starter solenoid wiring diagram. Most on starter solenoids are easy to wire as you mount the starter on the engine.
A typical starter solenoid has one small connector for the starter control wire the white connector in the photo and two large terminals. This application allows you to deal with a problem on the car electrical circuit including. The security starter relay controlled car starter wiring diagram is as shown in the following picture. The starting system circuit without starter relay set in is shown in fig.
If the starter does not turn the engine although the car battery is in good condition the fault may be a simple mechanical one or it may be an electrical one in the starter motor circuit. Starting charging system battery ignition switch starter motor generator pnp switch circuit 2. Automotive basic knowledge 17 435 views. The starter system is simple and the checks on it are straightforward.
One for the positive battery cable and the other for the thick wire that powers the starter motor itself see the diagram below. The starter motor then spins the engine over so that the piston can draw in a fuel air mixture which is then ignited to start the engine. This video demonstrates the operation of a vehicle s starter motor. The starter voltage drop should be less than 0 5 volts drop total on the cranking circuit step 5.