![](/images/new-backgrounds/1221187/22118761x1.webp)
MP6612i
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 |
| Inline fuse blown | Replace fuse |
No power to unit | Inline fuse blown | Check/replace fuse |
No speakers oper- | No speaker harness, | Connect speaker harness; |
ate (display lights | speakers not con- | check speaker wires |
normally) | nected |
|
Not all speakers | Incorrect splices or | Check all splices and connec- |
operate | connections | tions |
| Speaker wires shorting | Check splices; insulate all |
| to chassis ground or to | bare wires |
| each other |
|
Blows fuses | Power wire shorting to | Make sure wire is not pinched |
| ground |
|
| Speaker wires shorting | Make sure wire is not pinched |
| to ground |
|
| Incorrect fuse; fuse too | Install fuse of correct rating |
| small |
|
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