wiring turn signals 59 triumph tr3a

Wiring Turn Signals on a 1959 Triumph TR3A

The 1959 Triumph TR3A is a classic British sports car that is known for its stylish design and powerful engine. However, one of the most common problems with these cars is a faulty turn signal wiring harness. If your turn signals are not working properly, it can be dangerous to drive your car, as you may not be able to signal to other drivers when you are changing lanes or turning. Wiring the turn signals on a TR3A can be a daunting task, but it is not impossible. With a little patience and some basic electrical knowledge, you can successfully complete this project.

Tools and Materials

* Wire strippers * Crimp tool * Electrical tape * 12-gauge wire * 18-gauge wire * Turn signal switch * Turn signal relay * Turn signal bulbs * Turn signal flasher * Fuse * Ground wire

Wiring Diagram

The following wiring diagram shows the basic wiring for the turn signals on a 1959 Triumph TR3A. [Image of wiring diagram]

Step 1: Remove the Turn Signal Switch

The first step is to remove the turn signal switch. To do this, you will need to remove the steering wheel. 1. Remove the two screws that hold the steering wheel in place. 2. Pull the steering wheel off of the steering column. 3. Disconnect the electrical connector from the back of the turn signal switch.

Step 2: Install the Turn Signal Relay

The turn signal relay is a small electronic device that amplifies the signal from the turn signal switch. This allows the turn signals to flash at a faster rate. 1. Install the turn signal relay in the engine compartment. 2. Connect the red wire from the relay to the positive battery terminal. 3. Connect the black wire from the relay to the ground. 4. Connect the blue wire from the relay to the turn signal switch.

Step 3: Run the Turn Signal Wires

The next step is to run the turn signal wires from the relay to the turn signal bulbs. 1. Run a 12-gauge wire from the relay to the front of the car. 2. Run a 12-gauge wire from the relay to the rear of the car. 3. Run an 18-gauge wire from each turn signal bulb to the corresponding wire on the relay.

Step 4: Connect the Turn Signal Bulbs

The final step is to connect the turn signal bulbs. 1. Connect the positive wire from each turn signal bulb to the corresponding wire on the relay. 2. Connect the negative wire from each turn signal bulb to the ground.

Test the Turn Signals

Once you have finished wiring the turn signals, test them to make sure they are working properly. 1. Turn on the ignition. 2. Turn the turn signal switch to the left or right. 3. The turn signals should flash. If the turn signals are not working, check the wiring to make sure that it is connected correctly.

Troubleshooting

If your turn signals are not working, there are a few things that you can check to troubleshoot the problem. * Make sure that the turn signal switch is turned on. * Make sure that the turn signal relay is working properly. * Check the wiring to make sure that it is connected correctly. * Check the turn signal bulbs to make sure that they are not burned out. If you are unable to troubleshoot the problem, you may need to take your car to a qualified mechanic.

Conclusion

Wiring the turn signals on a 1959 Triumph TR3A can be a daunting task, but it is not impossible. With a little patience and some basic electrical knowledge, you can successfully complete this project. By following the steps in this guide, you can ensure that your turn signals are working properly and that you are safe on the road.