MP6312i
TROUBLESHOOTING
Problem | Cause | Corrective Action |
Does not operate | No power to yellow | Check connection with test |
(display does not | wire; no power to red | light; check vehicle fuse with |
light) | wire | test light |
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| Inline fuse blown | Replace fuse |
No power to unit | Inline fuse blown | Check/replace fuse |
No speakers | Speaker harness not | Connect speaker harness; |
operate (display | connected | check speaker wires |
lights normally) |
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Not all speakers | Incorrect splices or | Check all splices and |
operate | connections | connections |
| Speaker wires shorting | Check splices; insulate all |
| to chassis ground or to | bare wires |
| each other |
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Blows fuses | Power wire shorting to | Make sure wire is not pinched |
| ground |
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| Speaker wires shorting | Make sure wire is not pinched |
| to ground |
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| Incorrect fuse; fuse too | Install fuse of correct rating |
| small |
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20
