Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Sound System Amplifier -R12- Multi-Pin Connector Assignments
24-Pin Connector A
1 - Left rear treble speaker, positive
2 - Right rear bass speaker, negative
3 - Right rear bass speaker, positive
4 - Left rear bass speaker, positive
5 - Right rear treble speaker, negative
6 - Right rear treble speaker, positive
7 - Left rear treble speaker, negative
8 - Left front bass speaker, negative
9 - Left front bass speaker, positive
10 - Left rear bass speaker, negative
11 - Right front mid-range speaker, negative
12 - Right front mid-range speaker, positive
13 - Not assigned
14 - Left rear audio signal input, negative
15 - Left rear audio signal input, positive
16 - Not assigned
17 - Right rear audio signal input, negative
18 - Right rear audio signal input, positive
19 - Control in (optional)
20 - Left front audio signal input, negative
21 - Left front audio signal input, positive
22 - Not assigned
23 - Right front audio signal input, negative
24 - Right front audio signal input, positive
23-Pin Connector B
1 - CAN, Low
2 - Left front mid-range speaker, negative
3 - Left front mid-range speaker, positive
4 - CAN, High
5 - Not assigned
6 - Left front treble speaker, negative
7 - Not assigned
8 - Not assigned
9 - Left front treble speaker, positive
10 - Not assigned
11 - Right front bass speaker, positive
12 - Right front bass speaker, negative
13 - Not assigned
14 - Not assigned
15 - Right front treble speaker, positive
16 - Voltage supply, negative
17 - Not assigned
18 - Right front treble speaker, negative
19 - Voltage supply, negative
20 - Voltage supply, positive
21 - Voltage supply, positive
22 - Voltage supply, negative
23 - Voltage supply, positive
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.