1997 Volkswagen Jetta fuel pump inertia switch

Tiny
JERRYTG
  • MEMBER
  • 1997 VOLKSWAGEN JETTA
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 145,000 MILES
Hello, I have a 1997 Volkswagen Jetta that was in a front end collision. I do not hear the fuel pump come on when I try to start the car. I am having trouble locating the electronic fuel pump inertia switch. Should I also change the fuel pump relay. Thank you in advance.
Sunday, November 30th, 2014 AT 11:54 AM

5 Replies

Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
You have what is called an inertia switch that trips when the car is in an accident or any type of hard impact. It shuts of power to the fuel pump to prevent a fire or explosion. Inspect the vehicle very carefully for gas leaks. The inertia switch is in the psssenger side floor near the heater, it may be behind the kick panel neat to the fuse box. Some v.W.'S have a little access door in the panel. The switch is about 2 inches tall and will have a red reset button on top. You just push the red button down to reset it. Then check for gas leaks before starting.
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Sunday, November 30th, 2014 AT 3:48 PM
Tiny
JERRYTG
  • MEMBER
  • 1 POST
Thank you for the response. Unfortunately I did not find the inertia switch in the areas you pointed out. Is there anywhere else they might be. Thank you for your time.
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Monday, December 1st, 2014 AT 10:11 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
It should be where I decribed. Did you remove the kick panel and look behind it?
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Monday, December 1st, 2014 AT 5:26 PM
Tiny
EXOVCDS
  • MECHANIC
  • 1,883 POSTS
Would love to see a wiring diagram showing this switch!

Thomas
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Monday, December 1st, 2014 AT 9:25 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Let's try this. Locate the fuel pump relay on the fuse relay panel under the left side of the dash board. Relay number 12remove the relay and jumper terminals 30 to 87. These terminal numbers will be on the relay diagam on the relay itself. If the vehicle's fuel pump runs now then you probably have a bad relay. Let me know how this works out for you.
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Monday, December 8th, 2014 AT 8:02 PM

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