Jeep WJ Grand Cherokee Wiring Diagrams and Pinouts

Welcome to the JeepSpecs.com in-depth page on WJ Generation Jeep Grand Cherokee wiring diagrams and pinouts. We have organized as much information as we could find into a helpful article below. Is something incorrect or missing? Please get in touch with us and we’ll fix it!

Radio connectors

1999-2001 (2x 7-pin)

2002-2004 (22-pin + 10-pin)

 

Base radio
(without CD changer & PCI connectors)
Connectors were changed starting in MY 2002

 

Premium radio
(with changer (C4) & PCI (C3) connectors)
2002-2004 closeup view of connectors

 

RB1 Navigation Radio

Wiring and pinouts

1999-2001

2002-2004

                 Base Audio system wiring                                                                                   Base Audio system wiring

 

                   Premium Audio system wiring                                                  Premium Audio system wiring

                    Radio connector pinouts                                                                                     Radio connector pinouts

                        CD Changer wiring                                                                          CD Changer wiring

1999-2004

Radio Remote Control wiring

Infinity Amplifier pinouts

10-disc CD changer pinouts

10-pin to 8-pin CD changer adaptor cable
(P/N 508971AA)

Radio adaptor harness
(P/N 82207541)

Aftermarket amp power hook-up