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Black Box 581805 0582125
Description
Function and Technical Context
The black box or power pack is the electronic ignition control module for two-stroke Johnson and Evinrude outboard engines: it receives signals from the position sensor and stator to calculate the exact moment of discharge to the ignition coils, ensuring precise spark at each cylinder. It operates within the CDI (Capacitor Discharge Ignition) ignition system, coordinating the energy stored in the capacitors with the ignition advance according to engine RPM. When this component fails, the engine may lose cylinders, start with difficulty, or become completely inoperative, as without the correct firing signal combustion cannot occur. This unit replaces OMC references 0582125, 581805, 582125, 582454 and 582684, as well as Mercury/Mariner/MerCruiser reference 802364, being compatible with a wide range of engines from the E85, E90, E100, E115, E140 series and their equivalents in the Johnson line.
When to Replace This Part?
The most common symptoms of a faulty power pack include intermittent ignition failures at certain RPMs, sudden loss of one or several cylinders during navigation, erratic starting or complete inability to start despite the battery and starter motor functioning correctly. Being an electronic component with no moving parts, it has no fixed replacement interval in hours, but it should be inspected whenever symptoms of irregular ignition appear or following electrical impacts such as charger failures or short-circuit connections. Replacing the power pack preventively at the first signs of failure prevents being stranded at sea and costly emergency interventions.
Compatible Johnson/Evinrude Engines
| Series | Models |
|---|---|
| E85 | E85MLCSA 1980, E85STLCSA 1980, E85STXCSA 1980 |
| E90 | E90MLCIH 1981, E90MLCIM 1981, E90MLCNB 1982, E90MLCRD 1984, E90MLCTE 1983, E90TLCIH 1981, E90TLCIM 1981, E90TLCNB 1982, E90TLCRD 1984, E90TLCTE 1983, E90TXCIH 1981, E90TXCIM 1981, E90TXCNB 1982, E90TXCRD 1984, E90TXCTE 1983 |
| E100 | E100MLCSC 1980, E100TLCSC 1980, E100TXCSC 1980, E100WMLCRS 1984, E100WTLCRS 1984 |
| E115 | E115MLCIH 1981, E115MLCIM 1981, E115MLCNB 1982, E115MLCRD 1984, E115MLCSA 1980, E115MLCTE 1983, E115TLCIH 1981, E115TLCIM 1981, E115TLCNB 1982, E115TLCRD 1984, E115TLCSA 1980, E115TLCTE 1983, E115TXCIH 1981, E115TXCIM 1981, E115TXCNB 1982, E115TXCRD 1984, E115TXCSA 1980, E115TXCTE 1983 |
| E140 | E140MLCIH 1981, E140MLCIM 1981, E140MLCNB 1982, E140MLCSA 1980, E140MLCTE 1983, E140TLCRD 1984, E140TRLCIH 1981, E140TRLCIM 1981, E140TRLCNB 1982, E140TRLCSA 1980, E140TRLCTE 1983, E140TRXCIH 1981, E140TRXCIM 1981, E140TRXCNB 1982, E140TRXCSA 1980, E140TRXCTE 1983, E140TXCRD 1984 |
| J85 | J85MLCSA 1980, J85TLCSA 1980, J85TXCSA 1980 |
| J90 | J90MLCIH 1981, J90MLCIM 1981, J90MLCNB 1982, J90MLCRD 1984, J90MLCTE 1983, J90TLCIH 1981, J90TLCIM 1981, J90TLCNB 1982, J90TLCRD 1984, J90TLCTE 1983, J90TXCIH 1981, J90TXCIM 1981, J90TXCNB 1982, J90TXCRD 1984, J90TXCTE 1983 |
| J100 | J100MLCSC 1980, J100TRLCSC 1980, J100TRXCSC 1980, J100WMLCRS 1984, J100WTLCRS 1984 |
| J115 | J115MLCIH 1981, J115MLCIM 1981, J115MLCNB 1982, J115MLCRD 1984, J115MLCSA 1980, J115MLCTE 1983, J115TLCIH 1981, J115TLCIM 1981, J115TLCNB 1982, J115TLCRD 1984, J115TLCSA 1980, J115TLCTE 1983, J115TXCIH 1981, J115TXCIM 1981, J115TXCNB 1982, J115TXCRD 1984, J115TXCSA 1980, J115TXCTE 1983 |
| J140 | J140MLCIH 1981, J140MLCIM 1981, J140MLCNB 1982, J140MLCSA 1980, J140MLCTE 1983, J140TLCIH 1981, J140TLCIM 1981, J140TLCNB 1982, J140TLCRD 1984, J140TLCSA 1980, J140TLCTE 1983, J140TXCIH 1981, J140TXCIM 1981, J140TXCNB 1982, J140TXCRD 1984, J140TXCSA 1980, J140TXCTE 1983 |
| Otros | 100990S 1979, 100993S 1979, 100999S 1979, 100ML79S 1979, 100TLR79S 1979, 100TXLR79S 1979, 115890C 1978, 115893C 1978, 115899C 1978, 115990R 1979, 115993R 1979, 115999R 1979, 115ETZ78C 1978, 115ML78C 1978, 115ML79R 1979, 115TL79R 1979, 115TXL78C 1978, 115TXL79R 1979, 140840C 1978, 140843C 1978, 140883C 1978, 140940R 1979, 140943R 1979, 140983R 1979, 140ML78C 1978, 140ML79R 1979, 140TL78C 1978, 140TL79R 1979, 140TX78C 1978, 140TXL79R 1979, 85890C 1978, 85895C 1978, 85899C 1978, 85990R 1979, 85995R 1979, 85999R 1979, 85ETLR78C 1978, 85ML78C 1978, 85ML79R 1979, 85TL79R 1979, 85TXL79R 1979, 85TXLR78C 1978 |
Equivalent Manufacturer References
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury/Mariner/Mercruiser | 802364 |
| OMC | 0582125, 581805, 582125, 582454, 582684 |
Related Johnson/Evinrude Spare Parts
If you are maintaining or repairing your Johnson/Evinrude engine, these spare parts might also interest you:
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