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Horns Sound Continuously: Hombre

  1. Remove horn relay, located in Underhood Bussed Electrical Center (UBEC). If horns stop sounding, go to step 3). If horns do not stop sounding, go to next step.
  2. Repair short to voltage in Dark Green wire between horn relay and horn. See WIRING DIAGRAMS .
  3. Connect test light between horn relay cavity terminals No. 1 and 2 in UBEC. If test light comes on, go to step 5). If test light does not come on, go to next step.
  4. Replace horn relay. Recheck system operation.
  5. With test light still connected between horn relay cavity terminals No. 1 and 2 of UBEC, disconnect horn switches. If test light does not come on, go to next step. If test light comes on, go to step 7).
  6. Repair short to ground in Black wire between horn relay and horn switch. See WIRING DIAGRAMS .
  7. With test light still connected between horn relay cavity terminals No. 1 and 2 of UBEC, disconnect Body Control Module (BCM). See BODY CONTROL MODULES article. If test light does not come on, go to step 9). If test light comes on, go to next step.
  8. Repair short to ground in Black wire between horn relay, horn switch and body control module. See WIRING DIAGRAMS .
  9. Replace body control module. See BODY CONTROL MODULES article.
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