Question about 1987 Volkswagen Cabriolet

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Fuel pump fuse

Replaced both fuel pumps, but still blows fuel pump fuse.

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Check the wiring harness for a live>ground fault
maybe the live to the pump(s) rubbed hard against the chassis somewhere.disconnect the harness from the pumps along the chassis rail somewhere and put a fuse in again. keep following the harness back and disconnecting til the fuse sts good. U may need 3-4 fuses. at some point you sould locate the section where the live is grounding. be patient it may take a while to locate. be optimistic - it may only take a minute!
:) good luck, hope this helps

Posted on Jan 07, 2009

  • 1 more comment 
  • Tim Higgins
    Tim Higgins Jan 07, 2009

    Check the wiring harness for a live>ground fault

    maybe the live to the pump(s) rubbed hard against the chassis somewhere.disconnect the harness from the pumps along the chassis rail somewhere and put a fuse in again. keep following the harness back and disconnecting til the fuse sts good. U may need 3-4 fuses. at some point you sould locate the section where the live is grounding. be patient it may take a while to locate. be optimistic - it may only take a minute!

    :) good luck, hope this helps

  • Tim Higgins
    Tim Higgins Jan 07, 2009

    Check the wiring harness for a live>ground fault

    maybe the live to the pump(s) rubbed hard against the chassis somewhere.disconnect the harness from the pumps along the chassis rail somewhere and put a fuse in again. keep following the harness back and disconnecting til the fuse sts good. U may need 3-4 fuses. at some point you sould locate the section where the live is grounding. be patient it may take a while to locate. be optimistic - it may only take a minute!

    :) good luck, hope this helps

  • Tim Higgins
    Tim Higgins Jan 07, 2009

    Check the wiring harness for a live>ground fault

    maybe the live to the pump(s) rubbed hard against the chassis somewhere.disconnect the harness from the pumps along the chassis rail somewhere and put a fuse in again. keep following the harness back and disconnecting til the fuse sts good. U may need 3-4 fuses. at some point you sould locate the section where the live is grounding. be patient it may take a while to locate. be optimistic - it may only take a minute!

    :) good luck, hope this helps

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