9-5 Wagon (9600) L4-2.3L Turbo (B235) (1999)
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Fit component: horn relay.
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Press the horn button.
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The lamp should light.
Test results OK?
YES
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Replace: horn.
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Go to point 8.
NO
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Repair or replace the lead between pin 2 of the female connector and terminal 2 of the relay holder.
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Go to point 8.
8. Final check
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Clear the diagnostic trouble codes in all systems.
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Carry out a function check.