MEP-803A, AUX fuel pump won't work

[Guyfang]

The -24 TM?

 

[jmenende]

Fuel pump module. It is the little box on the right lower side of the unit, looking at the fuel tank. Try unplugging it and jumpering pins 1&3. If aux pump turns on, then it’s the transistor inside that burned up.

Technically this part is considered a consumable and non-repairable part. But it is actually very easy to fix. You just need to purchase a mje800G transistor and solder it in.


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Looks like mje800G transistors are getting hard to find. Mauser says they are in end of life. Any substitutes known?

 

[peapvp]

Looks like mje800G transistors are getting hard to find. Mauser says they are in end of life. Any substitutes known?

There you go