muddybronco > 1973 Ford Bronco > open folder Explorer 5.0 and 4R70W swap

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Hurst Pro-Matic shifter from Craigslist. Has PRND21 which matches the 4R70W pattern since O/D is lo...
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Hurst shift cable mounted to the transmission lever with the end of the stock Bronco carburetor link...
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Bosch 69100 fuel pump mounted low to feed off the carburetor style sending unit. WIX 33270 150 micro...
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Full engine bay harness from the Explorer. Starting to peel off the tape to see the rainbow inside.
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Chomp! Cut the main harness just past the relay box, which is in the area behind the driver's headl...
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Ahhh, scary wiring! This is after cutting off the 3 firewall connectors. Lots of wires can be remo...
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These are the wires I removed from C115 because they are not needed. It's cleaner to remove them ra...
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Getting less scary! The 7 circuits left in place are in the split loom tubing. The big bundle of w...
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PDB mounting bracket cut and welded on backwards so that it mounts downward and the box sits over th...
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The 3 grounds from C115 ground to the old voltage regulator ground. I wire wheeled the metal bare t...
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We used a piece of a broken aluminum yard stick to move the P/S reservoir down and back. It wasn't ...
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The EGR solenoid was too high (surprise, surprise... do a body lift first!) so we took the mounting ...
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We took the MAF out of the airbox and mounted it to the fender. With a little help from the heat gu...
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The air filter came with the plate and gasket that mounted right up to the MAF sensor. Search eBay ...
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We'll have to figure out a solution for the fan shroud since the fan is almost completely outside it...
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We used the Explorer's throttle cable but it angled upward into the hood too much so we cut the lowe...
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The oil filler ran into the intake tube and I just happened to have a Buick 3.8 sitting on the shop ...
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Another shot of the radiator hose attaching the filler tube.
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Nearly finished. We were going to keep the A/C lines for potential future use but we're going to ya...
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These 3 connectors were originally in the engine bay. The 4-pin square connector is used for th...
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Overdrive cancel switch and LED. There was a big hole here already so in it went. The LED has a fai...
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This is the alternator charge light and it does need to be a bulb rather than a LED, preferably with...
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OBD2 port (AKA DLC) for diagnostics. It has 3 wires from C115 and then a power and ground wire. La...
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Eight lonely fuses, two relays, and a diode are all that's left.
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Since the Bronco doesn't have a true RUN/START circuit from the factory, we created one with a bridg...
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The Explorer starter solenoid coil grounds through its case so we removed the paint from the wheel h...
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This still needs a little cleanup but it's just a busy area for wiring. C115 splits into 3 groups h...
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Arial view of the PDB. These wires now have split loom protecting them. To the right of the PDB yo...
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We had cut a section out of the throttle bracket at the bottom and weld it back together to clock th...
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The finished product! It turned out fairly clean but it sure would've made sense to paint the engin...
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We were adjusting the shift linkage when a cloud of stinky smoke came out from under the hood. We f...
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The test drive was awesome! This thing flies compared to when it had the 302 and C6. It even leave...
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