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Hi Spook,
Today I went to the Volvo dealer and the bad news is that there's about 15 different Volvo pins
and no specs or drawings showing where they go, and none are in stock.
The Good news is that they have a repair kit 3523813-8
This used in many areas of various model Volvo's including 940 corner lights.
The failure of the OBD port I had was that the rubber insulator around the
pin dried up disintegrated. Now the pin was still good but the insulator
around the pin disappeared so the pin either pushed back and you got no connection,
and/or could pull up and out of the holder with the probe attached.
This is a failure mode that should be in the FAQ
The bottom of the OBD connector has an "Insulator" where you need to release
an arm or arms to insert the pin and insulator then latch it to hold it tight.
I'll look at that later, I do have a photo of the corner lamp socket arrangement, that has a socket
and insulator block to hold the pin & insulator (Not the same insulators)
(The photo shows a repaired pin that fell out of a light socket insulator)
Getting the corner socket insulator out of the socket is with two standard latches.
Releasing the pin and rubber insulator has one standard release for the single wire on the right.
But the left side has a two pole locking arm.
I released it with a jewelers screwrdiver through the little access hole on the left.
It may be better to spread the two surfaces with the green marks with a screwdriver
to release the single latch arm that gets grabbed on both sides.
It's important to understand how these latches work,
since the plastic insulators are only plastic and NOT available.
It's hard to see the latch release scheme from the photo.
I haven't tried releasing by prying the two green marks apart? Any Idea?
One last thought is that in my old lamp socket here, the pins are solidly
stuck on the lamp socket pins, corrosion for sure.
So any effort to service pins should be after a treatment of a little mystery oil overnight
so that you avoid making more damage on dis-assembly.
If it doesn't come apart easily, give it the MMO soak.
If you can look up Volvo numbers in your Vadis,
please check these two numbers:
967695 Pin (This might be the right number)
949371 Insulator (should be replaced with the pin)
Who are the OEM pin manufacturer/s? AMP?
These parts shouldn't be so pricey.
Compare Amazon's price for the kit with Volvo list... :-)
Bill
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