Lucas 17acr Alternator Wiring Diagram

By | May 30, 2023

The Lucas 17ACR alternator is a popular choice for classic British cars. It's a reliable and efficient alternator that can provide plenty of power for your car's electrical system. This article will provide you with a wiring diagram for the Lucas 17ACR alternator, so you can install it in your car correctly.

Before you begin, make sure you have the following tools and materials:

  • A voltmeter
  • A wiring diagram
  • A set of tools
  • A new alternator

Once you have gathered your materials, you can begin by disconnecting the negative battery terminal. This will prevent any electrical shorts from occurring while you're working on the alternator.

Next, you'll need to remove the old alternator. The location of the alternator will vary depending on the make and model of your car. In most cases, the alternator will be located near the front of the engine. Once you've located the alternator, you can remove the bolts that hold it in place.

Now you can install the new alternator. Make sure that the alternator is properly aligned with the mounting bolts. Once the alternator is aligned, you can install the bolts and tighten them securely.

Next, you'll need to connect the wiring harness to the alternator. The wiring harness will be color-coded, so you should be able to match up the wires to the corresponding terminals on the alternator. Once the wiring harness is connected, you can reconnect the negative battery terminal.

Now you can test the alternator to make sure it's working properly. Start the engine and let it run for a few minutes. Then, use a voltmeter to check the voltage output of the alternator. The voltage should be between 13.5 and 14.5 volts. If the voltage is too low or too high, you may need to adjust the alternator's regulator.

That's all there is to it! By following these steps, you can easily install a Lucas 17ACR alternator in your classic British car.

Here is a wiring diagram for the Lucas 17ACR alternator:

Lucas 17ACR alternator wiring diagram


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