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6pin Engine harness plug ID help!
Not too shy to talk
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2018/3/13 15:57
From Eugene, Or
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Wiring harness plug identification help needed! Iím in the middle of swapping out the dash and engine harness to one thatís a bit less melted. My car is a LHD 1/72 auto sedan and Iím swapping a harness from a LHD 72 auto coupe. The harness on my sedan was modified a bit so not everything is 1 to 1.
Where the engine harness enters the firewall I have this plug that went to what looks like a relay on the donor as shown. My sedan doesnít have the relay, but does have the plug. What is this relay for?

I've looked at the 72 wiring diagram and I don't see this connector. It seems to either be an auto option or a 72+ option as my 71 manual harness doesn't have this plug.

Wire colors are as follows:
BR BW BW
BY BY BR

Thanks for the assist!

Attach file:



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jpg  274581825_941555116530556_7450817865814631836_n.jpg (31.50 KB)
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jpg  274538502_941555119863889_3356761125002558740_n.jpg (42.51 KB)
21562_621598a68151d.jpg 600X449 px

Posted on: 2022/2/23 2:16
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Re: 6pin Engine harness plug ID help!
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The connector is for 1972-1973 Ignition Switch

The relay i think is the late 1972 Seat Belt Buzzer

Posted on: 2022/2/23 9:09
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Re: 6pin Engine harness plug ID help!
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actually the seat belt buzzer relay is different

Is there a part number on it? 25230-89918 or 25230-89915?

Posted on: 2022/2/23 11:56
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Re: 6pin Engine harness plug ID help!
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UPDATE

There are different 6-pin connectors that look like that. My guess is that it is the Automatic transmission neutral relay. The wire colors in the manual have one different color, but otherwise the same


Neutral Relay
BW x2
BY x2
B
BR


Ignition Switch
BW x2
BY
W
BR
n/c


Passing switch Relay
might be six-pin. Different years used different relay wiring of 3,4, or 6 wires


If this 6-pin connector is in the engine compartment, and you don't have an automatic the car might not start. I think you can put a jumper wire on two of the pins to allow the car to start

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Posted on: 2022/2/24 1:44
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Re: 6pin Engine harness plug ID help!
Not too shy to talk
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From Eugene, Or
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Ah ha! Thatís it! The colors do match up. Both my sedan and the donor car are 72ís and both were autos. I converted mine, but it never had the relay. Either way I have the relay. Now that I know what Iím looking for Iíll trace it out on the diagram.

Thanks for your help!!

Posted on: 2022/2/24 4:22
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