3/17/2021 0 Comments Lucas Starter Solenoid
You should hear a heavy clunk, then hear the starter motor engage and crank the engine, while you read 12 volts from the braided wire.
![]() Lift the rear of the vehicle and place two jack stands under the rear part of the frame near each wheel. Step 2 Test the battery voltage with a voltmeter by placing the red positive voltmeter lead on the positive battery terminal. Place the black negative probe on the negative battery terminal. The key does not have to be on or in the start position for this check. Lucas Starter Solenoid Drivers Seat AndStep 3 Slide into the drivers seat and turn the key to the on position. Turn the ignition key to the start position and notice if the indicator lights dim while you do so. If they dim, it means your ignition switch has made correct contact. ![]() You will see a very thick wire and one small spade push-on wire. In the case of a fuel-injected engine, there will be three wires--one thick, one medium (spade) and one smaller spade wire. Step 5 Remove the medium-size (or small-size) wire and place the voltmeter positive probe inside the wire jack. Place the negative probe of the voltmeter on a good ground source like the frame. Have your assistant turn the ignition key to the start position. If not, the wire needs to be looked at from the solenoid location up to the ignition key source for any breaks or disconnects. Check the main fuse block for a defective relay or starter fuse, and replace if necessary. Step 6 Look at the two largest posts on the back of the solenoid. If the starter motor spins, it means the starter motor has engaged and works properly. One of them has a thick braided wire running from it to the starter. Stick the positive lead of the voltmeter into the braided wire and ground the negative voltmeter lead against the frame or starter motor housing.
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