The 1968 Mercury Cougar is a classic car that still remains popular among car enthusiasts, and one of the most important parts of the car is the turn signal wiring. The turn signal wiring in the 68 Cougar is a complex system, but with the right diagram, it’s easy to understand and repair. In this article, we’ll provide you with a detailed 68 Cougar turn signal wiring diagram, along with frequently asked questions (FAQs) about this topic.
What is a turn signal wiring diagram?
A turn signal wiring diagram is a visual representation of the electrical wiring system of a car’s turn signals. It shows how the wires are connected to each other, and how the electric current flows through the system. A wiring diagram is important for troubleshooting and repairing any issues related to the turn signal system in a car.
What are the components of turn signal wiring?
The turn signal wiring system in a 68 Cougar consists of several components, including:
| Component | Description |
|---|---|
| Turn signal switch | A switch located on the steering column that activates the turn signals. |
| Flasher relay | A relay that regulates the speed at which the turn signals flash. |
| Turn signal lights | Front and rear lights that indicate the intended direction of the car. |
| Wiring harness | A collection of wires that connects the turn signal system components. |
How does the turn signal wiring system work?
When the driver activates the turn signal switch, a signal is sent to the flasher relay. The relay then sends an electric current to the turn signal lights, causing them to flash. The wiring harness connects all of these components, ensuring that the system functions properly.
68 Cougar Turn Signal Wiring Diagram
Below is a diagram of the turn signal wiring system in a 68 Cougar:
| Wire Color | Component |
|---|---|
| Green | Left front turn signal light |
| Yellow | Right front turn signal light |
| Dark green | Left rear turn signal light |
| Brown | Right rear turn signal light |
| Light green/red stripe | Flasher relay to turn signal switch |
| Blue/red stripe | Turn signal switch left wire |
| Green/red stripe | Turn signal switch right wire |
FAQs About 68 Cougar Turn Signal Wiring Diagram
Q: How do I troubleshoot a turn signal issue in my 68 Cougar?
A: The first step is to check the wiring connections and ensure that they’re secure. If the wiring appears to be in good condition, the issue may be with the turn signal switch or flasher relay.
Q: How can I replace a faulty turn signal switch?
A: To replace the turn signal switch in a 68 Cougar, you’ll need to remove the steering wheel and column cover. Once you have access to the switch, disconnect the wiring harness and remove the switch by unscrewing it from the column. Install the replacement switch and reconnect the wiring harness.
Q: Can I replace the flasher relay in my 68 Cougar?
A: Yes, the flasher relay can be replaced. It’s located on the fuse panel under the dash on the driver’s side of the car. Simply unplug the old relay and plug in the new one.
Q: How do I know if my turn signal lights are working?
A: The easiest way to tell if your turn signal lights are working is to activate the turn signal switch and observe the lights. If they’re not flashing, or if only one light is flashing, there may be an issue with the wiring or one of the components in the turn signal system.
Q: Do I need any special tools to work on the turn signal wiring in my 68 Cougar?
A: No, basic hand tools should be sufficient for most turn signal wiring repairs. However, you may need a steering wheel puller to remove the steering wheel and gain access to the turn signal switch.
With this information, you should be able to troubleshoot and repair any issues with the turn signal wiring system in your 68 Cougar. Remember to always follow proper safety procedures when working on any electrical system and consult a professional if you’re unsure about any aspect of the repair process.
