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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

What wire is this?

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Old Aug 6, 2022 | 09:46 PM
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aroesti
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What wire is this?

Hi everyone,

I have a 1989 F-150 Custom with the 5.0 engine. Found this in the engine bay:

The previous owner seems to have jumped this connector that's coming off the wire harness by the distributor. What wire is this, where does it properly connect to? I would like to restore this to proper working condition.

Thanks,
Andre
 
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Old Aug 6, 2022 | 09:53 PM
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Originally Posted by aroesti
Hi everyone,

I have a 1989 F-150 Custom with the 5.0 engine. Found this in the engine bay:

The previous owner seems to have jumped this connector that's coming off the wire harness by the distributor. What wire is this, where does it properly connect to? I would like to restore this to proper working condition.

Thanks,
Andre
Id say it may be the SPOUT connector which useually has a plastic jumper that inserts into it. the connector broke or was lost, my thinking. and the wire is cconnecting it. this allows the truck to control igniition timing proper;y once et with a light and that wire removed
 
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Old Aug 7, 2022 | 12:06 AM
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Thank you so much for the quick response Aurora, that does indeed seem to be what it is.

I did some googling because I was curious what a shorted-by-default wire might be good for. It appears that this is actually in-line between distributor and PCM, allowing you ti open the circuit between PCM and distributor to stop the PCM interfering with timing. Learned something!
 
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Old Aug 7, 2022 | 06:43 AM
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Old Aug 7, 2022 | 07:48 AM
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LMR Mustang has them or you could get one from the junkyard. Maybe other places have them but I’m not sure.


 
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