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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

engine turns over slow

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Old Jan 20, 2007 | 11:29 PM
  #1  
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bigdonjaun
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engine turns over slow

I have a 1984 f250 with a 302, It was given to me about a year ago by a friend at that time it had jumped time. I replaced the timing chain and gears I also replaced the alternator,water pump,battery,hoses and belts. the problem started two weeks ago it sounded like i had a dead battery. I checked the battery it had good votage it was not charging as good as i thoght it should be so i changed the voltage regulator. this did not help so i changed the starter and charged the battery. this still is not helping. when you turn the key it acts just like you have a dead battery i don't know what else it could be. just would like to know if any one has any ideas.
 
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Old Jan 21, 2007 | 02:12 AM
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Hook a jumper cable between the battery negative (-) terminal and the engine block. If this helps check/repair/replace the ground cables.
 
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Old Jan 21, 2007 | 02:35 AM
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engine turns over slow

In will try that. I know that I changed the battery cables when I installed the new battery and alternator. Is there a ground cable that I am over looking.
 
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Old Jan 21, 2007 | 05:40 AM
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Clean up connections on all major wires.
 
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Old Jan 21, 2007 | 05:49 AM
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From: "Islander"
A normal voltage reading off the battery doesn't
mean it's good, do a load test on it.
 
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Old Jan 21, 2007 | 02:21 PM
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Look for a braid type cable between block and frame and a small one between block and firewall. Generally, Wal-Mart, Advance, etc. do free battery load checks. A good load tester will draw at least 100 Amperes, better ones about 500.
 

Last edited by Piffery1; Jan 21, 2007 at 02:26 PM.
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Old Jan 21, 2007 | 07:20 PM
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thanks for the help. the problem was the ground strap from the frame to the engine block. I personaly have seen this problem many times but for some reason i could not think of it on my own truck. I installed a new #4 cable from the frame to the block and everything is working fine now. so thank you all for your help and suggestions!
 
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