2000 Expy won't start with key
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2000 Expy won't start with key
Gentlemen, I hate to ask but searching for answers here for hours has me at wits end.
I have a 2000 Expedition, Eddie Bauer, 4.6L that won't start with the key. Turn the ignition, all the dash lights come on as normal, headlights operate, power windows are fine.....turn the key to start and nothing. Power turns off to everything like normal when the key is on START but the starter doesn't engage. There's no clicking like you get with a weak battery or starter. Nothing.
Here's what I've done so far:
1. Tried cranking it in Neutral. Tried jiggling the gear select lever while cranking. Tried jerking the lever around while cussing at it. No results.
2, Tried the same thing with wiggling the key. No results.
3. Changed the battery, installed a brand new one (swiped out of my wifes Jeep). No change.
4. Used a screwdriver to jump the starter solenoid. Cranked right up and ran smooth as ever.
5. Installed a new starter solenoid. Same problem.
Can anybody offer any directions on where to look next?
Thanks.
I have a 2000 Expedition, Eddie Bauer, 4.6L that won't start with the key. Turn the ignition, all the dash lights come on as normal, headlights operate, power windows are fine.....turn the key to start and nothing. Power turns off to everything like normal when the key is on START but the starter doesn't engage. There's no clicking like you get with a weak battery or starter. Nothing.
Here's what I've done so far:
1. Tried cranking it in Neutral. Tried jiggling the gear select lever while cranking. Tried jerking the lever around while cussing at it. No results.
2, Tried the same thing with wiggling the key. No results.
3. Changed the battery, installed a brand new one (swiped out of my wifes Jeep). No change.
4. Used a screwdriver to jump the starter solenoid. Cranked right up and ran smooth as ever.
5. Installed a new starter solenoid. Same problem.
Can anybody offer any directions on where to look next?
Thanks.
Hotshot
Joined: Jan 2004
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From: St Louis
After a visual exam (or replacement), you have to actually TEST circuits using a meter/test light of start swapping stuff and home to get lucky.
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Looking at schematics the "starter motor relay" and the "starter solenoid" are the same thing....the unit on the firewall what the battery cable goes into, then down to the starter....correct? If that is it then I replaced that with a new one but it didn't correct the issue.
Fleet Owner
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Assuming all of the fuses check out, I would say your next step is to probe the tan/red wire coming off the DTR sensor on the side of the tranny when turning the key to start. You should get +12v, if you don't then next probe the dark blue/orange wire coming off the DTR, again when turning the key to start you should get +12v. If you then get the +12v the problem is the DTR sensor.
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This thing....Starter Solenoid Relay Assembly.
I'll get out the multi-meter at work tomorrow and check the DTR. The transmission was just rebuilt (again) two weeks ago, could very well be something loose or damaged when it was removed. I assumed if is was the DTR it would still start if I put it in Neutral. It won't start in either one.
Thanks for the help, I'll see if that's it in the morning.
I'll get out the multi-meter at work tomorrow and check the DTR. The transmission was just rebuilt (again) two weeks ago, could very well be something loose or damaged when it was removed. I assumed if is was the DTR it would still start if I put it in Neutral. It won't start in either one.
Thanks for the help, I'll see if that's it in the morning.
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Fleet Owner
Joined: Apr 2008
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From: 0,0,1
If the contacts are broken, dirty, or pitted inside the DTR then it won't work in any position. Of course the wiring to the DTR could've been damaged when the tranny was removed/reinstalled.
Hotshot
Joined: Jan 2004
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From: St Louis
The transmission was just rebuilt (again) two weeks ago,
Ding! Ding! Ding! We have a winner!
I'll place a $5 bet that the wiring harness near the transmission is either pinched or is sitting on the exhaust or drive train and has blown fuse F21. Go check that fuse first.
Recent transmission or exhaust work often precedes this issue.
Hotshot
Joined: Jan 2004
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From: St Louis
You don't even need to remove it. Just probe the two test points on the fuse with the ignition switch held in the START position.
See those two little holes on the top of the ATM or minifuse on either side of the printed fuse value?
See those two little holes on the top of the ATM or minifuse on either side of the printed fuse value?
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