Instruction Manual

Complete Radio Replacement with
Integrated Climate Control Retention for Select
2014–2020 Jeep Grand Cherokee
RPK4-CH4103
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PAC-audio.com
Pacific Accessory Corporation
Page 13
Rev: v.1
Date:041020
Wiring Connections (Section A)
With the trim panel removed, locate
the star connectors.
Using the plastic pry tool, remove
the driver’s side dash trim.
Feed the White and Green connectors
side of the MQS4PT-36 harness down
the driver’s side of the dash. Leave
6 to 8 inches of length for the 4-Pin
connector to allow for connection to the
RP4.2-CH4103 harness.
Step 1 Step 2 Step 3
The 2018 and up Grand Cherokee requires additional connections to the vehicle’s star connectors that are located on the
driver’s side of the dash, using the included MQS4PT-36 harness. The installation process for the MQS4PT-3 is covered
below.
Release the dash trim that surrounds
the base of the steering column by
pulling the trim away from the dash.
With the trim pulled back, there is
space to slide your hand into the dash
to route the MQS4PT-36 harness and
to plug it into the star connectors. Route
the MQS4PT-36 harness to the star
connectors on the left-most side of the
dash. Make sure to route the cable to
where it does not interfere with any
moving parts (brakes, accelerator,
steering column).
Step 4
MQS4PT-36 Green
Male 2-Pin Connector
MQS4PT-36 White
Male 2-Pin Connector
Plug the MQS4PT-36 male Green and
White connectors into the appropriate
ports on the star blocks. The Green
connector from the MQS4PT-36 plugs
into a port in the White star block,
and the White connector from the
MQS4PT-36 plugs into a port in the
Green star block. If the star block does
not have an open port, remove one of
the existing connectors, plug it into the
female connector from the MQS4PT-36
and plug the male from the MQS4PT-36
into the now open port on the star block.
Step 5
No longer Used
JST Connector
MQS4PT-36
Locate the Black 4-Pin mated
connectors in the RP4.2-CH4103
harness. Unplug the connectors, and
attach the Black 4-Pin male connector
from the MQS4PT-36 into the Black
4-Pin female connector that goes to the
White JST connector. The remaining
Black male 4-Pin connector in the
RP4.2-CH4103 harness will no longer
be used.
Step 6
Installing the MQS4PT-36 (Only needed for 2018 and up Grand Cherokee):