LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2005 >> MDX Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Fuse/Relay Boxes >> Connector to Fuse/Relay Box Index >> Driver's Under-dash Fuse/Relay Box
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Driver's Under-dash Fuse/Relay Box

FUSE/RELAY DESCRIPTION

Socket Ref Terminal Connects to
A 22 6 Ignition switch lead (see IGNITION SWITCH LEAD )
B 13 2 SRS main harness (see SRS MAIN HARNESS )
C 10 5 Left engine compartment wire harness (see LEFT ENGINE COMPARTMENT WIRE HARNESS )
D 4 20 Left engine compartment wire harness (see LEFT ENGINE COMPARTMENT WIRE HARNESS )
Diode 1 - Driver's door courtesy light
Diode 2 - Left rear door courtesy light
E 11 10 Left side wire harness (see LEFT SIDE WIRE HARNESS )
F 3 14 Left side wire harness (see LEFT SIDE WIRE HARNESS )
G 5 6 Not used
H 8 18 Driver's door wire harness (see DRIVER'S DOOR WIRE HARNESS )
J 20 18 Dashboard wire harness A
K 21 18 Dashboard wire harness A
L 24 22 Dashboard wire harness B (see DASHBOARD WIRE HARNESS B (LEFT BRANCH) )
M 12 20 Dashboard wire harness B (see DASHBOARD WIRE HARNESS B (LEFT BRANCH) )
Driver's multiplex control unit connector A 6 24 (Plugs directly into the fuse box)
N 23 7 Dashboard wire harness B (see DASHBOARD WIRE HARNESS B (LEFT BRANCH) )
P 19 3 Dashboard wire harness B (see DASHBOARD WIRE HARNESS B (LEFT BRANCH) )
R 18 1 Optional connector
Reverse relay 26 4  
S 17 1 Optional connector
Starter cut relay 25 4  
T 16 1 Optional connector
Turn signal/hazard relay 27 4  
U 15 1 Optional connector
V 14 - Not used
W 7 - Memory erase signal (MES) connector
X 9 6 Driver's door wire harness (see DRIVER'S DOOR WIRE HARNESS )
Fig 1: Identifying Driver's Under-Dash Fuse/Relay Box
G03642047Courtesy of AMERICAN HONDA MOTOR CO., INC.