SERVICE MANUAL NUMBER 28
DUAL POWER TRIM SYSTEM
TESTING RELAY NO. 2
1.
Test for continuity between terminals 13 and 9.
•
Continuity indicated, proceed to “2.”
•
No continuity indicated, replace the relay.
2.
Connect a jumper wire between terminals 3 and 5. Test for continuity between terminals
13 and 9.
•
•
No continuity indicated, relay OK.
Continuity indicated, replace relay.
Diode Module Test
Perform the following diode tests using an ohmmeter set on the Rx1 scale. When testing
diodes, take 2 readings. Note the first reading; then, reverse the meter leads and, again,
note the reading.
If the diode is good, the meter should indicate a high or infinite resistance (no meter
movement) when connected one way and a low reading (below 60 ohms) when connected
the other way.
If both readings are high or infinite, the diode is open. Replace the diode module.
1.
Diode No. 1
a. Connect a jumper wire between terminals 3 and 5. Test the diode between terminals
9
and 10.
2.
Diode No. 2
a. Connect a jumper between terminals 3 and 5. Test diode between terminals 10 and
13.
CAUTION
Before proceeding with further diode testing, remove fuse from red/purple harness
lead so that it will not be possible to short either control box or VOA meter.
3.
Diode No. 3
a. Test the diode between terminals 6 and 12.
Diode No. 4
4.
5.
6.
7.
8.
a. Test the diode between terminals 12 and 7.
Diode No. 5
a. Test the diode between terminals 8 and 11.
Diode No. 6
a. Test the diode between terminals 14 and 15.
Diode No. 7
a. Test the diode between terminals 8 and 5.
Diode No. 8
a. Test the diode between terminals 5 and 15.
INDEX
90-863160
MAY 2000
Page 5C-3
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | MerCruiser Sterndrives 90-863160 |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 3 out of 3)
Marine readers have rated Mercury MerCruiser Bravo Outdrives Sterndrives Marine Engines Service Manual Number 28 3.0 out of 3.0 based on 1 product reviews. I could not find any mention of the seawater pump assembly.
Maybe I have the wrong unit