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Discussion Starter #1
Alright guys, I've had my dash in and out about 4 times now...and this time its going back in for good. This connector is giving me fits....I can't figure it out for the life of me...




Thanks for any help.
 

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Pretty sure its part of the neutral safety/ clutch switch setup.
 

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1988 Mustang GT connector response

Were you ever able to confirm where this connector goes?
I have the same exact dilemma.
I have a 1988 Mustang GT convertible (5-speed manual transmission) that I've owned since new. It hasn't been my daily driver for years and I only drive it very infrequently. The last time I drove it I noticed that same exact connector pictured in your post, hanging down from behind the radio on the driver's side. As you know it's very difficult to see under there and I can't see where it would connect even after removing the radio. I really don't want to remove the dash to figure it out.
Everything on my car is functional except the vent mode actuator, which I don't think is related. All the air blows out the defrost, but I've confirmed that the vacuum lines are okay on the engine side of the firewall which is an issue I've had and fixed in the past.
Thank you.
 

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Discussion Starter #5
Yes it's an auxiliary connector for the clutch neutral safety setup. I don't know why they put it there but it's not needed
 

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Vent mode actuator issue.....

In regards to my issue with the vent air only coming out of the defrost.......
Although the more common cause is a broken vacuum line on the engine compartment side of the firewall, my issue was actually caused by a yellow rubber vacuum line coming off of the vacuum motor under the dash. One side connects to the back of the HVAC control panel and the other side to the motor. The motor is gold in color and is located up around the center vents and looks similar to the motor behind the glove box that the white line connects to. It's very hard to see up under the dash and a pain to get to. I pulled out the console and radio to get to it. And although you can't really see the port on the vacuum motor, it is pointing towards the passenger side in such a way that you can feel your way up to connect the yellow rubber vacuum tubing to it.
 

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Last time I had the radio out was 25 years ago when it was daily driver. The tuner went out, sometimes no stations, sometimes 1 or 2. Some chip went bad. Bought replacement from a salvage company (mail order, before internet). Still have the old radio. Rarely use the car or radio now.
 
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