Page 56 Engine Data Management
Fuel Data (input to GPS; output of EDM)
RS-232. Serial data format: 8 data, 1 start, no parity. Baud rate:
9,600.
Output format is determined by the GPS-C setting, but may be over-
ridden by the GPS navigation format: If the EDM senses Northstar or
NMEA-183 navigation data input, there will be no fuel data output.
Section 16 - Option Connector Pin Assignments
P1 (upper) 25-pin connector
for 4 or 6 cylinder engines.
See installation manual for
7, 8, 9 cylinder instruments
MAP-RPM 9-PIN
CONNECTOR
(EDM-800)
Fuel Flow Option
15-pin connector
Pin
no.
Pin
no.
Probe or
function
Pin
no.
Function/
sensor pin
Pin
no.
Function
yel 1 red 2 OIL grn 1 RPM sig /1 1 RS-232
out
yel 3 red 4 IND blk 2 RPM grd /2 2 RS-232
in
yel 5 red 6 CARB
(or CDT)
red 3 RPM pwr /3 wht 4 FF signal
yel 14 red 15 OAT red 4 MAP pwr /3 red 5 FF power
yel 16 red 17 TIT blk 5 MAP grd /1 blk 6 FF return
yel 18 red 19 TIT-2
(2
nd
TIT)
6 (not used) 7 Switch
com
gry 12 Remote
alarm
7 (not used) 8 Switch
EGT
red 13 + Power wht 8 MAP sig+ /2 9 Switch
FF
wht 24 RS-232
data port
grn 9 MAP sig- /4 11 Remote
FF alarm
blk 25 Engine
ground
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