Put wire across terminals C15 and C14, if the horn works then you know the circuit is good from the battery all the way down to the ground for the horn. #3 - You can also check for 12 volts at the relay.. The 1998 Jeep Wrangler horn wiring diagram provides insight into how the system is connected together and can be used to check for any issues that may arise. By taking the time to go through the 1998 Jeep Wrangler horn wiring diagram, you can ensure that your horn is properly connected and ready to go when safety calls.
Jeep Wiring diagrams - Free download as PDF File (.pdf) or read online for free. This document contains information about wiring diagrams, including: - The contents page lists various sections of the document, including component identification, general information, splice locations, and wiring diagrams.. For many Jeep Wrangler owners, the electrical system can feel like a black box, full of mystery and potential headaches. Whether you're chasing down a phantom electrical drain, installing new off-road lights, or simply trying to understand why your horn decided to quit, a reliable jeep wrangler wiring diagram is your most powerful tool.