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Assembly Instructions
Model:
Description:
Part Number:
Assembly Time:
Before you begin, read though these instructions and check that all
parts are present. Please note that MB Quart cannot assume any
responsibility for damage resulting from incorrect installation.
No.
1
Subwoofer
2
MB Quart Grill Emblem
3
Poly Fill Sheets
1
T20 & T30 Torx Driver
2
5mm Allen Wrench
3
Pry Tool
4
Utility Knife
Wrangler (JL)
Jeep Wrangler OEM Subwoofer Upgrade Kit Installation
MBQJL-SUBR-1
60 Minutes (1 Hour)
Parts List
Component Name
Tools Required
Page 1 of 17
Qty
1
1
2
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Summary of Contents for MB QUART MBQJL-SUBR-1
- Page 1 Part Number: 60 Minutes (1 Hour) Assembly Time: Before you begin, read though these instructions and check that all parts are present. Please note that MB Quart cannot assume any responsibility for damage resulting from incorrect installation. Parts List Component Name...
- Page 2 Disassembly ● Remove jack cover panel Page 2 of 17...
- Page 3 Disassembly ● Remove three tie down hooks with T30 Torx Driver and remove ● *For Wrangler 4XE lift up the panel behind rear seat and remove* Page 3 of 17...
- Page 4 Disassembly ● Remove T20 Torx screw from the front side of the subwoofer panel ● Pop the rear seatbelt cover panel up and pry subwoofer enclosure off the rear quarter panel Page 4 of 17...
- Page 5 Disassembly ● Disconnect the subwoofer enclosure wire harness ● Remove the T20 Torx screw from the rear of the subwoofer enclosure ● Remove the eight 5mm allen screws from the perimeter of the subwoofer Page 5 of 17...
- Page 6 Disassembly ● Remove and disconnect the subwoofer. ● Gently pry up the OEM grill from the subwoofer frame Page 6 of 17...
- Page 7 Disassembly ● Gently remove the original emblem from the front of the OEM grill ● Remove the OEM subwoofer wiring and grommet from the enclosure Page 7 of 17...
- Page 8 Installation ● Install provided wiring harness and grommet into the enclosure Page 8 of 17...
- Page 9 Installation into the enclosure while keeping the screw hole clear Page 9 of 17...
- Page 10 Installation ● Cut and remove eight plastic tabs on enclosure using a utility knife Page 10 of 17...
- Page 11 Installation ● Connect the subwoofer to the wire harness NOTE: Red to Positive and Black to Negative Page 11 of 17...
- Page 12 Installation ● Install MB Quart subwoofer ● Install the OEM T20 Torx screw to the rear of the enclosure Page 12 of 17...
- Page 13 Installation ● Install the new MB Quart emblem onto the grill, attach the grill and trim ring reusing the eight 5mm allen screws ● Place the subwoofer enclosure into the vehicle Page 13 of 17...
- Page 14 Installation ● Route wiring towards your case of the MBQJ-STG6-A-1 this will be under your passenger seat) ● Recommended amplifier crossover and gain settings with the MBQJ-STG6-A-1 kit are: Gain turned up to the 1 O’clock position LPF turned up to the 2 O’clock position Subsonic turned up to the 9 O’clock position...
- Page 15 Installation ● Reinstall the subwoofer enclosure into the quarter panel area and place the seat belt cover back in place ● Reinstall T20 Torx screw to the front of the enclosure Page 15 of 17...
- Page 16 Installation ● *For Wrangler 4XE install the panel behind rear seat* tie down hooks with T30 Torx screws Page 16 of 17...
- Page 17 Installation ● Install jack cover your MB Quart Subwoofer Upgrade MBQJL-SUBR-1 REV 01 Page 17 of 17...
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