help!!! starting problems

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Mar 27, 2004 | 09:28 AM

jakes29

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help!!! starting problems

I have an 87 b2 2.9 4wd. last night i got into to start the truck, turned the key, the engine started but the ignition kept cranking and cranking like I had turned the key too far. it kept cranking until it drained the battery. I tried to jump it but as soon as i touched the cable to the positive post, the truck jumped like it was trying to start even though i had the keys in my hand!!!
is the starter stuck? i had a similar problem with it not starting about three years ago and had the fuel pump relay replaced. please help!!!

Mar 27, 2004 | 09:50 AM

68torino

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From: South Dakota

Change the soleniod first. For the starter to keep running the solenoid needs to be engaged to send current to it.

Mar 27, 2004 | 10:03 AM

jakes29

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I replaced the solenoid about a year ago. would it have gone out already?

Mar 27, 2004 | 10:11 AM

68torino

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From: South Dakota

It can. It is worth a try.
If that dosen't cure it, there is a possibility the start function in the key system is hanging up. I would try the soleniod first.

Mar 27, 2004 | 11:12 AM

jakes29

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Thanks for you most useful info torino. it is much appreciated. im sure i will have another question here soon!!!

Mar 27, 2004 | 11:55 AM

jakes29

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i recently have been having problems with my b2 dying while i am driving. the rpms drop dramatically. sometimes i can catch it by tapping the gas pedal so it doesnt die. this is a potentially very dangerous situation for me. is this related to the solenoid problem? or could it be a fuel pump/filter problem? i changed the fuel filter ( the one under the driver side door) about three weeks ago but it didn't seem to help.

Mar 28, 2004 | 01:44 AM

87 XLT

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From: SoCal

Like 68torino sez, it might be a bad ignition switch. Try this: remove the slip fit wire from the starter relay, if it stops cranking replace the ignition switch