running lights brake light to work but not the turn signal harness
The circuit in question involves the left side lighting system of a vehicle, specifically focusing on the integration of the turn signal with the existing wiring harness. The left side is confirmed to have operational running lights and brake lights, indicating that the power supply and ground connections are intact for these functions. The issue arises with the turn signal, which suggests a potential fault in the wiring or the turn signal relay.
To troubleshoot this circuit, it is essential to verify the following components:
1. **Wiring Connections**: Check the integrity of the connections within the harness. Look for any signs of fraying, corrosion, or disconnections that may impede the flow of current to the turn signal.
2. **Turn Signal Relay**: Inspect the turn signal relay for proper operation. A malfunctioning relay can prevent the turn signal from activating even if the wiring is intact. Testing the relay with a multimeter can determine if it is functioning correctly.
3. **Grounding**: Ensure that the turn signal has a proper ground connection. A poor ground can lead to erratic behavior or complete failure of the turn signal.
4. **Switch Functionality**: The turn signal switch on the steering column should also be examined. If the switch is faulty, it may not send the appropriate signal to the relay, resulting in a non-functional turn signal.
5. **Fuses**: Check the fuse associated with the turn signal circuit. A blown fuse can interrupt the circuit and prevent the turn signal from operating.
By systematically checking these components, one can identify the root cause of the turn signal malfunction without needing to resort to purchasing a new plug-in harness. A detailed wiring diagram specific to the vehicle model can further aid in pinpointing the exact wiring paths and connections involved in the turn signal system.the left side works fine and i`ve got the left side running lights and brake light to work but not the turn signal I am wiring it right into the harness` and do not want to have to buy the plug in harnes as i need it done asap Ask-a-doc Web sites: If you`ve got a quick question, you can try to get an answer from sites that say they have various sp ecialists on hand to give quick answers. Justanswer. com. Traffic on JustAnswer rose 14 percent. and had nearly 400, 000 page views in 30 days. inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent. I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money. Todd L Rochester NY I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.
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