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1998 f800, cummins 5.9 hard to start. does it use both batteries to start, seems its using one.

Replaced both batteries. turns slowly then nothing. what am i missing? relay, solenoid, fuse, etc?

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  • Cars & Trucks Master
  • 22,156 Answers

Ground connection onto the engine ?

Posted on Nov 20, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1998 bmw 740il will not start even with new a battery

If you checked all the fuses try putting the car in neutral sometimes the shifter gets misadjusted and wont start till the car is completely in park.If not check for a lose wire to the starter.If the car has an after market alarm you will have to turn it off before starting there should be a little buuton under the drivers dash or kick panel.GOOD LUCK

Posted on May 01, 2009

yotaguy
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SOURCE: Mazda Tribute Intermittent Starting problem

I can think of 2 possibles,it could be a bad battery cable or an intermitent short in the starter solenoid, check or have the battery cables and there connections on both ends first not only are they a cheaper fix but the problem you describe sounds like a current flow issue.Test them with or have them tested with an ohmmeter they should show o ohms resistance,and while not attributed to the problem I do not reccomend using Bosch spark plugs of any variety,the best plugs for any Japanese vehicle are NGK's,this comes from my personal experience with them and other techs that I have worked with.

Posted on May 09, 2009

mindreader
  • 578 Answers

SOURCE: Starter relay fuse blowing in a 1995 Ford Explorer

Sooooooo. The relay coil is drawing more current than the fuse can handle..... First guess is a short in the wire between the fuse and the relay coil. I would disconnect the wire that powers the solenoid relay coil. Then I would try (momentarily) clip leading a wire to the battery positive terminal - and touching the other end to the relay coil terminal connection. (Caution!! you are bypassing the factory wire and its associated fuse. If your temporary wire becomes hot - IMMEDIATELY remove it from the coil.) ------------------------However, I suspect that you will have the coil energized and that the engine will turn over....since the key is not in the ON position, the motor will not start.

If this works-then you know that the factory wire is touching the chassis somewhere... and you can either remove it and run another from the fuse to the coil terminal - or try to find the point of the short (good luck - and let me know)
-Jim

Posted on Oct 06, 2009

greezy_je208
  • 237 Answers

SOURCE: 1998 Dodge Ram 1500, 5.2L, AT, 149K mi won't

replace the starter.

Posted on Dec 18, 2009

  • 8404 Answers

SOURCE: 2004 mustang won't start.

I don't know what your problem is. I would suspect your solenoid as you suggest. It is easy checked with a volt ohm meter and a friend. (voltage always present on the battery side - voltage present on starter side when the key is turned to the start position)

Is this a manual or auto? I guess you know there is a switch on the clutch if it is manual - clutch MUST be depressed to start. Im sure you know this!

Check the solenoid. You could jump the solenoid with a auto grade jumper cable to double check your electric (volt/ohm) check.

Thanks for your quesiton at FixYa.com

Posted on Jan 04, 2010

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1 Answer

Ax-15 transmission input shaft seems to be short going into 4BT cummins motor


that ax-15 , behind cummin's.
3.9L , 50 lbs more torque, there, may be ok.
when buying custom mod. cars this is all normal.
1: nobody can fix your car, due to its not stock.
2: get stranded on the road, far from home and nobody will wont to touch it..
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you may need to go to jeep.com
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it's too short because you have 3.9L cummins to Ax-15 adapter
there, and the mod guy, just ignored this.??? no photos presented by you.
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is it's this?

http://www.jdjeeps.com/jdjeeps/adapters.ashx

we are blind here can;t see all those custom parts
not hardly
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and mounts match.
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all custom parts.
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