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too much energy use.

the fuse will blow so you will not drain the system and cause pernament damage


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Q: Why does the Fuse blows after installing fuel pump?
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What can you do if the fuel pump on your 1999 Tahoe has no power?

Check the fuse and the relay. If it's the fuse, and the next fuse blows out immediately, be suspicious of the fuel pump.

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Either a bad fuel pump (most likely) or a short in the wiring somewhere. Suggest you disconnect the wiring from the fuel pump, put a new fuse in and see if it still blows. If no blow, bad fuel pump. Still blows, short in the wiring somewhere.

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