MerCruiser 305 CID (5.0L) Service Manual page 295

IGNITION SYSTEM
RESISTANCE TEST
1. Check the resistance of the coil with an ohmmeter, as follows:
a. Connect an ohmmeter as shown for Test 1. Using the high scale the reading should
b. Connect an ohmmeter as shown for Test 2. Using the low scale the reading should
INSTALLATION
1. Install coil bracket with coil to engine bracket using fasteners.
IMPORTANT: Mercury Marine Coil Only, before installing coil wire (high tension lead)
to coil, apply approximately 1/2 oz. of Silicone Dielectric Compound (Quicksilver
92-802882A1) around top of coil high tension lead tower. Do not apply to inside of
tower hole.
2. Connect high tension coil lead.
3. Connect wire harness connectors.
Index
Page 4B-10
be infinite. If not, replace the ignition coil.
be very low or zero. If not, replace the ignition coil.
a - Ground
b - Test 1
c - Test 2
a - Wire Harness Connection
b - High Tension Coil Lead Connection
SERVICE MANUAL NUMBER 24
a
b
a
90-861327--1 OCTOBER 1999
c
b
76521
72921