Re: starter wont crank when warmed up?
[Re: dirt]
#937595
02/26/11 03:38 AM
02/26/11 03:38 AM
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Joined: Mar 2010
Posts: 357 Lake Elmo, MN
Evil Monkey
enthusiast
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enthusiast
Joined: Mar 2010
Posts: 357
Lake Elmo, MN
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I was having that problem with the 360 in my Cuda. It may be a different issue for you, but for me, it wasn't the starter at all. I had replaced the stock fan with an electric, and I found that I had wired the electric fan in a way so that if the engine was warm, the fan would be running while I was cranking the engine. The draw that the electric fan had was enough so that the starter hardly turned the engine over. Once the engine cooled enough, the fan wouldn't run anymore, and the engine would start fine.
I ended up rewiring the electric fan so that it will only run when the key is in the run position, and will not run when the key is in the start position. No starting problems anymore.
It is most likely what the others are saying - heat soaked starter or starter relay, but it's fairly easy (and free) to check to see if something else is using electrical power when your key is in the start position - fan, stereo, etc. If you pull the neutral safety wire (or ground wire if you have it rigged that way) off of your starter relay, you can turn the key to the start position and the engine won't try to turn over. You can then see if anything else electrical is running while the key is in the start position. If not, I'd think it's a heat soak issue. and try a heat shield for the starter to see if that helps.
1974 'Cuda 360/TKO
1990 Ram Van
1998 Neon
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Re: starter wont crank when warmed up?
[Re: Evil Monkey]
#937596
02/26/11 05:28 PM
02/26/11 05:28 PM
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Joined: Jul 2003
Posts: 6,167 Maryland
GO_Fish
master
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master
Joined: Jul 2003
Posts: 6,167
Maryland
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Get your volt meter out and take some readings. The mini starters are a great thing, but they do not like lower voltages and will not work at voltages where the old Chrysler starters would.
Scott B.
"I'm a self-made man... I started with nothing, and I still have most of it!"
68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph
69 340 GTS stock 14.18@ 95.60 mph
01 5.9L Ram 1500 Quad Cab 4x4
01 3.5L 300M 16.23@ 86.97 mph
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Re: starter wont crank when warmed up?
[Re: RapidRobert]
#937603
04/14/11 07:14 AM
04/14/11 07:14 AM
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Joined: Jun 2003
Posts: 3,325 Truckville, the capital of NY
85_Ram_4speed
master
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master
Joined: Jun 2003
Posts: 3,325
Truckville, the capital of NY
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I had a similar problem (by your description anyhow), chased it around and was rewiring everything (kinda needed it anyway), and it turned out to be the starter relay in the end---yup, it was a new one i put on and it was junk appearently. Worked just enough initially so I didn't suspect it at first. And it was no where near any heat source either. Just throwing that out there for you.
Outcast Dodge guy.
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