It can be wired in two ways to suit either a modern pre engaged type wiring arrangement or alternatively can be run in conjunction with an original bulkhead mounted type solenoid in applications still. Photo below shows the electrical connection end of the lucas pre engaged starter motor.
Ya 8971 Pre Engaged Starter Motor Wiring Diagram Wiring Diagram
Pre engaged starter motor wiring diagram. Lucas starter motors model m35g inboard type. Early production mgb use a starter solenoid triggered by post on the starter is used for connection of a number of brown wires which in the diagram above the original starter switch is being used as a terminal block. Connect the negative lead of the voltmeter to the live terminal of the battery and the positive lead to the starter motor feed terminal on a pre engaged starter this is the solenoid feed terminal. It disengages as soon as the engine picks up speed and there are two ways by which it does so the inertia system and the pre engaged system. The starter motor itself has a device called a bendix gear which engages its pinion with the gear ring on the flywheel only while the starter is turning the engine. It should read 12 volts then when you work the starter switch drop to below 05 volts.
The starting system circuit without starter relay set in is shown in fig. Bench test and replace a pre engaged starter motor solenoid. Model m45g pre engaged type model m45g self index type the table below is intended to assist you in identifying which vehicles use which starter motors. The simplest way is to connect the original starter cable to the new starter and add one small wire from the starter power terminal to the trigger terminal. Starter solenoid wiring diagram. Starter solenoid wiring diagram without starting relay type.
Okay so now i got an a 1380cc engine for my old 1976 mini and currently i am stuck at connecting the new pre engaged starter motor to the loom which originally was made for an inertia starter motori can remember when i disconnected the cables from the external starter solenoid there were four types of cables. It is based on a modern high torque gear reduction design which is pre engaged meaning it has a solenoid as part of the starter motor. This video demonstrates the operation of a vehicles starter motor. Wiring up the starter motor posted in problems questions and technical. Not every car carry the starter relay in starting system and the starter solenoid wiring diagram can be learned by with or without starter relay type. When the pre engaged starter is installed in the mga a few changes need to be made in the starter circuit wiring and there are optional ways to accomplish the desired end effect.
All to often people look at the model number this does not denote much more than the physical size the part number is far more. If it does not drop first check the solenoid.
Gallery of Pre Engaged Starter Motor Wiring Diagram
