BOMBARDIER SEA-DOO SPX 5838 1998 Shop Manual page 212

Section 08 ELECTRICAL SYSTEM
Subsection 02 (IGNITION SYSTEM)
Multi-Purpose Electronic Module
(MPEM)
The MPEM is directly powered by the battery. It
has a micro-processor inside of its sealed case.
The MPEM is responsible of the following electri-
cal functions:
– interpreting information
– distributing information
– start/stop function
– timer
– Digitally Encoded Security System
– ignition (GS and GTI models)
– engine rev limiter
Fuses are directly mounted onto the MPEM.
GTS Model
F01H2OA
TYPICAL
GS and GTI Models
On these models, the MPEM is also used as a
junction box, eliminating the need of an electrical
box.
All electrical components or accessories are di-
rectly linked to the MPEM.
Wire position are identified with a series of num-
ber on the MPEM. AMP plug connectors are
used.
The regulator/rectifier is also mounted on the
MPEM.
08-02-2
F00H0FA
TYPICAL
787 and 947 Engines
The 787 and 947 engines have a digital Direct
Current-Capacitor Discharge Ignition (DC-CDI)
system.
Compared to the magneto system, the DC-CDI
system offers a more powerful and stable ignition
at low RPM.
SPX, GSX Limited and GTX Limited
The high amperage/voltage components are lo-
cated into a rear electrical box.
F00H0DB
SPX MODEL
1. Rear electrical box
1