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740 wont start!!! 700

posted by  Kjartan Langskog on  Wed Dec 1 04:31 CST 2004
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last visit: Wed Jul 20 07:49 CST 2011
[RELATED]

Short terminals 30 and 87/2 on the relay and plug it in (no need to turn the ign. key). Both pumps should work. Go outside and bend down and you should hear the main pump bekow car. Take off the petrol cap and put your ear to the opening and you should hear the fainter sound of the tank pump. If the pumps work, your relay may be defective. Try resoldering, if that doesn't work replace it.

To double check if the relay is defective, now without shorting any terminals, plug the relay in and turn the ignition ON, one of the pumps should work. Crank the engine (I assume it cranks), and the other pump should work. You can listen with hoses. If either pump does not work, your relay is defective.
--
Kjartan Langskog






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