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Crankshaft position sensor wiring (what are these little metal things for?)

449 Views 12 Replies 3 Participants Last post by  peva, 
99intrepy
I want to change the connector for my crankshaft position sensor on my 1999 Intrepid 2.7 SE. This is what my connector looks like. There is a newer connector in 2000. Looks like it was redesigned. Anyway this picture is what Mopar sells. My question is, why is there 6 wires included? And what are the little metal things in the picture? Are those some kind of wire butt connectors? I can still get this at the dealer for a reasonable price. Part number 5135637AA
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cdmccul
Those are splice connectors. Then you heat shrink over them. 3 of each of 2 different wire gauges. Use the wire color and size that matches the factory harness, and repair using the correct connectors and shrink tubing.

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cdmccul
Looks to me like they are designed for the special ratcheting curling crimpers. Strip wire, lay in crimp, and squeeze. The curls fold over such that they grip into the strands of copper, not just hug them flat.

But, I'd just crimp them tight with any pair of pliers, and then crimp them again with wire pliers that will squeeze in a very narrow area. Don't forget to put the shrink tube on.

The wires here aren't in a stressed situation... I don't think you'll have to worry about them pulling out.

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cdmccul
Ha! As I said in the other thread, it's been a while since I've had the hood up.

I was looking for a alternator connector for a 2012 RAM truck, and read the reviews on a connector very similar connector with the same little metal u clips. One review of the connector stated those clips are “for where the connector clips to the body of the connector.“ (or something like that).

So, no idea yet. But I'm buying that connector tomorrow. I'll update if I learn something!

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cdmccul
I just bought that lot I was talking about. I'll fill you in when I deal with it. :)

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cdmccul
Bill,

As I expected, these are what those u clips are for.

The kit doesn't include the u clips that also grip the insulation, they just grip the copper.

Here's a picture of the crimping tool, and the bigger clips, but an example of how they look.

I've seen guys use the regular crimp tools on them, then dab solder on them. Then shrink tubing.


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cdmccul
There's a pic of the clips in the exact same kit. They are the crimp down connectors, just no strain relief.

And then a screen shot from the Mopar bulletin for repairing the faulty fuel pump relays in the 2008 and up TIPM boxes. You can see the crimp, and the tool.

I just did this job on a 2012 RAM 1500.

Didn't use the crimp, just twist, solder, and shrunk tube (double wall with glue liner).


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