I've never really used heatshrink and was wondering how I am suppose to get a 20mm heatshrink over a molex connector? does that stuff strecth before shrinking so I can fit it over plug ends?
You might be able to stretch it a minute bit further before it splits but generally it is not intended to be expanded further than it already is.
The easier approach is to scrounge around your house and make a pin extractor for the molex connector. You simply compress the retention ears on each pin and slide them out. Slide the heatshrink over the wires then push the pins back in. They will snap back into place easily. I wound up using a swizzle stick that was just the right diameter to slip over the pins and compress the retention ears. Since the swizzle stick eventually wore out, I found an old telescoping antenna from a small pair of tv rabbit ears that fits perfectly. It is now my pin tool. You can buy pin tools from places like Teknitool or Jensen.
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