Security Horn Relay: Inspection

Measure the security horn relay resistance between terminals (indicated in the table below) when connecting terminal No. 4 to battery positive terminal and terminal No. 1 to battery ground terminal.

TERMINALS REFERENCE

Current	Terminal No.	Standard
Flow	2 and 3	Less than 1 O
No flow	2 and 3	More than 1 MO

Fig 1: Measuring Security Horn Relay Resistance Between Terminals

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Battery

If NG, replace the security horn relay.