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starter/ relay

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Old Oct 13, 2025 | 06:30 PM
  #1  
Anthony 7.3's Avatar
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starter/ relay

I just put a brand new starter in my 1999 Ford F250 super duty 7.3 L power stroke, and after installing it, I went to start it and like my batteries were dead so I charged them and after they were both fully charged, I went to start it and it cranked for about two seconds then pulled a single click every time I would turn my key without any start so I thought it was my starter again, but it’s not even a day old so then I thought it was my relay, but I still don’t know what it can be please help!
 
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Old Oct 13, 2025 | 10:13 PM
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Can you jump start the vehicle? Try jumping it with a heavy duty vehicle, or AAA

If so , then likely not the starter or relay.

If not then check all battery cables. Cables can corrode under the insulation.
 
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Old Oct 13, 2025 | 11:23 PM
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i tried to get it started multiple ways and still nothing cables could be an issue i’ll have to look tomorrow but anything else that it could be?
 
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Old Oct 14, 2025 | 06:27 AM
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Is it just clicking and then nothing happening? What happens when you jumper across the relay, does it crank? It should IIRC. If not you could have more major issues.
 
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Old Oct 14, 2025 | 11:23 AM
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Buy a digital multimeter, or buy more parts.
 
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Old Oct 14, 2025 | 08:55 PM
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what exactly do you mean by jumping across the relay? from the battery to the relay or something else?
 
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Old Oct 15, 2025 | 06:16 AM
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Across the two main pins of the relay, that the heavy gauge wires attach to. Use something metal with some meat to it (and wear rubber gloves), and touch both contacts at the same time. If it cranks, it's not the starter. If it tries but doesn't crank, the engine could be hydrolocked.
 
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