Hello guys,

I'm chasing down some knock sensor codes that (for a number of reasons) appear to be more rooted in the sensors and wiring than in actual detonation in the cylinders.

New knock sensors are on the way, and this morning I'm looking at the right bank knock sensor connection to the right bank engine harness.

The photo below shows the half of the connector from the right bank engine harness. This connector is nearly trashed, and is probably part of my problem. Here's a photo:




As you can see by the yellow arrows, the wires leading into the connector are cracked and exposed. There are also bits broken off that serve to "lock" the two halves of the connector together. And, as a final insult, it looks like there is some old, dried coolant on it, from the thermostat tower.

So here's what I would appreciate some input on:

1) I'm having trouble finding a part number for this particular lead of the right bank engine harness. This lead appears to feed into the right bank fuel injectors as well.

2) I'd rather just replace the connector than the entire right bank engine harness. Can't find any references or part numbers on that, for sure. Any ideas?

3) Any thoughts on how to "band-aid" this connector until I figure out the proper long-term solution?

Thanks for your help...have a great Sunday.

 

To keep the water out I would clean it, add di-electric grease and use a heat shrink on it if you can. If a heat shrink is not an option I would clean the surface and use rubber calk around the exposed wires.

 

Many knock sensors appear to be identical, even though they may or not be. Try taking your old one to the junkyard and trial fitting it. Or google it: http://tinyurl.com/7adl8zl (I just googled "knock sensor pigtail", this may or may not be what you need. I'm only including it as an example) Many pigtails are available at the dealer. If Jag doesn't show them try your Ford dealer.

 

If you order one of these from a picture, note the position of the 3 slots along the perimeter of the connector. This is a common sensor connector made by AMP (now TE Connectivity), but there must be a dozen or so variations of the slot positions for 'keying'.

 

The easiest 'quick fix' is with a hot melt glue gun (after cleaning as already mentioned) provided, of course, the connector doesn't get really hot.
Simply run a gob of glue onto connector and wire to support + seal.
Good mechanically and waterproof.