Specifications

20
Fig. 5
5. Original engine equipped with Dual Circuit alternator. Replacement engine equipped Tri-Circuit
alternator.
Discard 691955 diode harness supplied with new engine. Install 794360 regulator/rectifier. Add 692306
harness and modify by splicing in 399916 connector assembly. Connect to equipment harness. See Fig. 5
398661 - EQUIPMENT
HARNESS - FEMALE
RIB
RIB
692306
HARNESS - FEMALE
BLACK
WIRE
SPLICE
393537 - OUTPUT CONNECTOR
FROM REPLACEMENT ALTERNATOR - MALE
399916 CONNECTOR
ASSEMBLY - MALE
794360
REGULATOR/RECTIFIER
6. Original engine equipped with 5 amp regulated system. Replacement engine equipped with Tri-Circuit
alternator.
Discard 691955 diode harness supplied with new engine. Transfer 491546 regulator/rectifier from original
engine to the new engine. Connect to equipment harness.
The following alternator replacement combinations require no modifications.
7. Original engine equipped with DC Only alternator. Replacement engine equipped with 5, 9, 10 or 16
amp regulated system. Direct Replacement. Connect to equipment harness.
8. Original engine equipped with 5 amp regulated system. Replacement engine equipped with 9, 10 or 16
amp regulated system. Direct Replacement. Connect to equipment harness.
9. Original engine equipped with 9 amp regulated system. Replacement engine equipped with 10 or 16
amp regulated system. Direct Replacement. Connect to equipment harness.
10. Original engine equipped with 10 amp regulated system. Replacement engine equipped with 9 or 16
amp regulated system. Direct Replacement. Connect to equipment harness.
BRIGGS & STRATTON® ENGINE/REPLACING ENGINE OF
ANOTHER MANUFACTURER
When replacing the engine of another manufacturer with a Briggs & Stratton engine, the equipment
requirements must be known so that the replacement alternator system has the same output as the original
system provided.
Often the equipment wiring harness is not compatible with the Briggs & Stratton alternator output harness. To
create a compatible system it may be necessary to modify the equipment wiring harness. To do this, a wiring
diagram for the equipment is essential.
The original keyswitch may also create a challenge. Even though the keyswitch harness connectors