Trailer Switch Test; Starboard Trim Switch Test; Port Trim Switch Test - Mercury BRAVO Service Manual

DUAL POWER TRIM SYSTEM

Trailer Switch Test

Remove fuse from RED/PURPLE harness lead before proceeding with test.
1. Set the ohmmeter on the Rx1 scale.
2. Push down on the "Trailer" switch and check for continuity between terminals 10 and 3.
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3. Push up on the trailer switch and check for continuity between terminals 2 and 12.
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Starboard Trim Switch Test

1. Set ohmmeter on Rx1 scale.
2. Push down on STARBOARD TRIM switch and check for continuity between terminals
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3. Push up on STARBOARD TRIM switch and check for continuity between terminals 11
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Port Trim Switch Test

1. Set ohmmeter on Rx1 scale.
2. Push down on PORT TRIM switch and check for continuity between terminals 2 and 13.
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3. Push up on PORT TRIM switch and check for continuity between terminals 14 and 7.
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Continuity indicated, proceed to step 3.
No continuity indicated, replace the switch.
Continuity indicated, switch OK.
No continuity indicated, replace the switch.
1 and 9.
Continuity indicated, proceed to step 3.
No continuity indicated, replace switch.
and 6.
Continuity indicated, switch OK.
No continuity indicated, replace switch.
Continuity indicated, proceed to step 3.
No continuity indicted, replace switch.
Continuity indicated, switch OK.
No continuity indicated, replace switch.
CAUTION
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000