wiper and horn problems.

[Towelie]

For some apparent reason everytime my wipers are turned on my horn beeps and vice versa. I currently have the dash out and checking all connection, the only thing i see outta place would be the red/blue, red/black, red/yellow wires closes to the radio harness. the car is completely stock no alarm either.


thanks in advance!

[g6civcx]

year/make/model?

[projectRDM]

The red/blue and red/yellow behind the radio are illumination and dimmer control, they wouldn't be related.

The wiper and horn are both found on the combination switch housing, you must have a short somewhere that's triggering the horn. You didn't specify year/model, the S13 has a single prong green wire coming off the housing that feeds the horn relay, the S14 it's found in the spiral cable from the airbag. It seems unlikely they could be shorted together but start looking there first, then move on. Both models run the wiper wiring out the passenger side, but the S13 wiper amp is on the driver side, so it's possible the fender harness could be damaged and shorted by the tire, though again it's unlikely.