Mystery connector on A Pillar
#11
(07-21-2020, 06:55 AM)mikemcg Wrote:
(07-21-2020, 03:37 AM)1969_Mach1 Wrote: [quote pid='40208' dateline='1595146284']
[quote pid='40205' dateline='1595075298']
The wiring harness is from KwikWire. My 1970 Mach 1 looked good but once you got into it I realized there was only one way to go. It's now a major restoration. So it will be a while until I get to the harness. Sooner or later we'll figure out what that connector is all about. I did remove the old harness and can't remember if it was connected.
 Oh yes, once you open up something it's hard to determine where to stop.  Did that with my 1969 Mach 1 and trying to avoid that with my 1956 F100.  It's a slippery slope.  I think MustangMike had the right idea when he did his Fairlane.  Fixed what was needed and kept the cost down.
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I started with that approach in mind. I thought I would make repairs along the way as I was enjoying driving it. I started with the wiring. Previous owner never met a wire he didn't want to cut. Tracing those wires out exposed many sins that weren't immediately apparent. So here I am. But enjoying every step of the way. I bought a '70 new when I was 16. was my car through the dating years and was in my wedding. Drove to Disney World for my honeymoon with 100k on it (I'm from PA). So now bought another one a couple of years ago to relive the days. Having a good time. I don't regret it. I had to have a 351 C though. My original was a sport roof with 302. Loved the car. Always clean. My brother has it but he was unwilling to deal it back. But I do have the original slats and spoiler that I put on my project (briefly). It's a full restoration. Lot's more to go.
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I wanted one when I saw them when they first came out in 69. One problem though. I was only 10 years old. Couldn’t get a loan, lol. So fifty years later I have one and I had to have the 428 “R” code. I’m loving every second I’m working on it.  Thumbup Veryhappy
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#12
[attachment=13120 Wrote:     1969_Mach1 pid='40207' dateline='1595109539']A previous owner might have had an alarm in the car.  Wires in that area going to the door had large grommets in both the door and A-pillar and were continuous wires with no connectors.  Do you have a picture of it?
I hope these pics make it into the post. One pic is the connector. The other is the A pillar. The position of the connector is in the smaller hole toward firewall. If this is after market they did a nice job. There was an after market something added to this car. Terrible job! A vacuum line and electrical conductor for something. They used an air chisel to blast their way through the firewall. Ugly! Patched the firewall to remove the ugliness Laughing        
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#13
I've never seen anything like that.  Do you have a 1970 Mustang wiring diagram?  A wiring diagram would be my first place to search for answers.  That would help you determine if that is an original part and what it is.  The original Ford service manuals and wiring diagrams are reproduced. NPD has them.  I'm still old school and use service manuals.  I've used the factory service manuals a lot for my 1969 Mach 1.

An R-code, nice!  There seems to be quite a few of them popping up these days.  But, I can't imagine a big block motor in these Mustangs.  A small 351W or 351C does a pretty good job filling the engine compartment.  As a mater of fact, I removing the tall valve covers from the 351W in mine and reinstalling the shorter Ford Racing valve covers I have because I cannot get to the spark plugs on the drivers side.
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#14
(07-26-2020, 05:13 AM)1969_Mach1 Wrote: I've never seen anything like that.  Do you have a 1970 Mustang wiring diagram?  A wiring diagram would be my first place to search for answers.  That would help you determine if that is an original part and what it is.  The original Ford service manuals and wiring diagrams are reproduced. NPD has them.  I'm still old school and use service manuals.  I've used the factory service manuals a lot for my 1969 Mach 1.

An R-code, nice!  There seems to be quite a few of them popping up these days.  But, I can't imagine a big block motor in these Mustangs.  A small 351W or 351C does a pretty good job filling the engine compartment.  As a mater of fact, I removing the tall valve covers from the 351W in mine and reinstalling the shorter Ford Racing valve covers I have because I cannot get to the spark plugs on the drivers side.
I'll see what happens when I get around to the new wiring harness. I put an ohm meter on it and it's open. Great start.  Laughing
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#15
I believe it is a temp sensor for AC cars.
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