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Home >> Acura >> 2025 >> MDX Base >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Body Electrical System - System Description - DTC Troubleshooting Index >> Fuse Relay Box Connector Locations >> Fuse/Relay Box Connector Locations

Fuse/Relay Box Connector Locations

Under-Hood Fuse/Relay Box 

Socket Ref Terminal Connects to Notes
T1 1 --- Jump start cable (+B) *1Starter cable *2  
T4 2 --- Jump start cable (ACG) *1Engine wire harness *2  

*1: 3.0 L Engine*2: 3.5 L Engine

GHH659374Courtesy of HONDA, U.S.A., INC.

12 Volt Battery Terminal Fuse Box (3.0 L engine) 

Socket Ref Terminal Connects to Notes
T8 1 --- 12 volt battery terminal cable  
T9 2 --- 12 volt battery terminal cable  
T11 3 --- Floor wire harness  
T12 4 --- Floor wire harness  
T13 5 --- Floor wire harness  
GHH659375Courtesy of HONDA, U.S.A., INC.

Fuse Holder B (3.0 L engine) 

Socket Ref Terminal Connects to Notes
T15 2 --- 12 volt battery terminal cable  
T16 7 --- Starter cable  
T17 3 --- 12 volt battery terminal cable  
T18 6 --- Starter cable  
T19 5 --- Jump start cable (ACG)  
T20 4 --- Jump start cable (+B)  
T21 1 --- Engine compartment wire harness  
GHH659376Courtesy of HONDA, U.S.A., INC.

Under-Dash Fuse/Relay Box 

Socket Ref Terminal Connects to Notes
A 4 28 Engine compartment wire harness  
B 7 18 Dashboard wire harness  
C 6 20 Dashboard wire harness  
D 5 16 Dashboard wire harness  
E 9 2 Dashboard wire harness  
F 8 4 Dashboard wire harness  
G 2 18 Floor wire harness  
H 3 18 Floor wire harness  
K (optional connector) 1 6 Not used  
GHH659377Courtesy of HONDA, U.S.A., INC.

Fuse/Relay Holder B 

Socket Ref Terminal Connects to Notes
F 1 1 Floor wire harness  
G 2 1 Floor wire harness  
GHH659378Courtesy of HONDA, U.S.A., INC.

Power Distribution Module 

Socket Ref Terminal Connects to Notes
A 4 2 Engine compartment wire harness  
B 7 3 Engine compartment wire harness  
C 6 18 Engine compartment wire harness  
D 5 4 Engine compartment wire harness  
E 9 1 Floor wire harness  
F 8 3 Floor wire harness  
G 2 5 Floor wire harness  
H 3 5 Dashboard wire harness  
K 1 8 Dashboard wire harness  
GHH659379Courtesy of HONDA, U.S.A., INC.