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Old 12-09-2012, 08:45 PM   #1
basssque
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Engine Swap - 2 sensor differences

So I finished the swap of the 302 from a 96 f150 to my 92 bronco.
I used the wiring harness and plenum from the original engine in my 92 so all the connectors matched up better.
There are 3 connector differences
1. the alternator which was an easy fix
2. my old 92 engine had this sensor on the rear which no longer exists on the new engine, the connector is on the harness but I have nothing to plug it into
-does anyone know what this is and is it a problem that it's missing?
http://i298.photobucket.com/albums/m...A0FB63F3FC.jpg
3. The new 96 engine has a crankshaft or camshaft sensor F6TE-60351-DB on the front behind the fan which the old engine didn't have. I do have an extra connector in a similar position from the wiring harness, but the connector is different.
-is the connector from my 92 harness from a similar sensor which may have been in a different spot on the 92 engine?
http://i298.photobucket.com/albums/m...A103C67FE7.jpg
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Old 12-10-2012, 01:58 AM   #2
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2. Your pic is too close-up to be certain, but it looks like the KS, which is unnecessary on any engine. Plug it in - leave it unplugged - doesn't really matter. It was eliminated by '96 because it was useless.
3. The misfire sensor was '96 only, so the '92 harness certainly doesn't have anything for it; look at the wire colors on the '92 connector to ID it.
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Old 12-11-2012, 05:51 PM   #3
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Is there a schematic available for my 92 bronco 302 engine wiring harness so I can use it for reference to determine what my extra connector goes to? Thanks
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Old 12-11-2012, 05:59 PM   #4
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There's a parts ID thread at the top of this forum. Spend some time reading it, and follow the links in it.
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Old 12-11-2012, 09:16 PM   #5
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That's the problem, I don't have a part ID, I only have a connector with 2 colored wires.
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Old 12-17-2012, 12:24 PM   #6
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the wire colors are yellow w/ green stripe and grey w/ red stripe. from what I can find online it's for the power steering pressure. It's a plastic snap connector, but I still can't find where it plugs in. Any idea's?
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Old 12-17-2012, 12:52 PM   #7
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That's what steve was saying, it's the knock sensor. nothing to worry about.

Does it look like this?

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Old 12-17-2012, 01:02 PM   #8
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The knock sensor should be in the old engine look for it. It may be fitted to the newer engine. the PS press sensor is in the PS line near the lf of the engine.
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Old 12-17-2012, 01:28 PM   #9
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Did you even look in the Parts ID thread yet? Look at pins 24 & 46 in the '85-95 section of this diagram:



NOT ALL engines have a KS or a PSP. If your original engine had them, then your original EEC will expect to find them. If it doesn't, it MAY set codes for them, but those codes PROBABLY won't turn on the MIL. They certainly WON'T affect driveability, performance, economy, durability, reliability... But I'd swap the necessary parts to get the PSP installed IF it was originally - it helps maintain idle during hard steering.
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