G INSPECTION OF THEFT DETERRENT HORN CIRCUIT Turn ignition switch off. Is HAZ fuse normal? No → Replace fuse. Is operation normal? No → Short circuit in wire harness between fuse and terminal 1 of theft deterrent horn. Yes ↓ Yes ↓ Fuse faulty. THEFT DETERRENT HORN INSPECT POWER SOURCE Disconnect connector from horn. Is there battery voltage between terminal 1 of connector side and body ground? No → Open circuit in wire harness between terminal 1 of horn and fuse. Yes ↓ COMPUTER INSPECT HORN OPERATION Is horn normal? (See page BE-100) No → Replace horn. Yes ↓ INSPECT HORN CIRCUIT Disconnect connector from horn and computer. Is there continuity between terminal 2 of horn side connector and terminal 12 of computer side connector? No → Open circuit in wire harness between terminal 12 of computer and terminal 2 of horn. Yes ↓ Replace computer.