6.
Turn magnet clockwise until fuel capsule indica-
tor reads FULL. Ohmmeter should read 30 ohms
3. With key switch in OFF position, there should be
no continuity between switch terminals.
(+
specifications.
5 ohms). Fuel capsule is defective if not within
4.
With key switch in RUN position, continuity will
exist between switch terminals B to I. There
should no continuity between terminal S and any
other terminals.
5.
6.
With key switch in START, continuity will exist be-
tween terminals B to I and B to S.
a
Terminals are to make contact at angles shown
and to stay in contact condition as switch is ro-
tated toward START.
7.
If ignition key switch tests bad, unsolder wire con-
nections and remove switch. Test switch again,
as in Steps 2-5, preceding. If switch tests good,
wiring in harness is bad, There should be no con-
tinuity between any harness wires with key
switch removed.
72759
a - Capsule Reading Full
f
e
d
c
Switches
b
Ignition Key Switch
a
B
TESTING
S
I
!
CAUTION
Key View
Back View
72760
Disconnect battery cables from battery before
testing ignition key switch with wires still con-
nected to switch.
a - Key
b - Off
c - Continuity, B to I Terminals
d - Run
e - Continuity B to S Terminals
f - Start
1.
Disconnect battery cables, if testing ignition key
switch with wires connected to switch.
2.
Before testing key switch, check all fuses and/or
circuit breakers in electrical circuit which could
prevent operation of starter.
Index
90-823224--2 796
INSTRUMENTATION - 4D-9
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you