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Custom Air Conditioning Setup in HJ60
Last updated Feb 24th, 2003

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24 to 12V Converter
Gauges, Boost and EGT Gauges
Injectors removed and rebuilt

The new buyer of my HJ60 had asked several times before he decided to by the truck how AC could be retrofitted into it.  I told him AC could be rigged easily enough from an FJ60.  Eating my words, we ended up doing the conversion using FJ60 parts but it was not as easy as we had thought it would be (though it reality it was not super hard either).  In the end in parts it cost about $250 with a big break by purchasing all the FJ60's AC parts from Henry Brimmer, editor of Toyota Trails Magazine, for $100.  This conversion was done by Royal Rose and myself.  With the added AC amplifier it has reached about $350 in parts.

Things which complicated the install a little bit:
1.  We had to wire the whole AC setup 12V via the 24 to 12V converter.
2.  We had to have custom high pressure hoses made for the input and return line because the AC compressor was moved to the factory 2H location versus the 2F location on the other side of the truck with considerably shorter hoses.  See pictures of the hoses below.
3.  The 2F circuit board or "amplifier" was not suitable for the 2H conversion because inputs available from the 2F (tach input, rev up output) that, when we bypassed, also bypassed the temperature unit which which shuts off the AC when the core gets too cold with potential for icing.  Therefore, you'll also need an AC controller "amplifier" from a 3B (if 12V, part # 88650-90A03) or a 2H (24V part # 88650-90A04). 
4. Regarding the bracket that holds the compressor into place, buying the factory bracket certainly would have made things a lot easier, but instead, mostly to keep costs, down we flipped a 2F Alternator bracket upside down and welded a little plate to the other side to get it to mount to factory holes on the head of the engine just above the 2H alternator. 
 
1.  Cost of AC Components from 1985 FJ60 $100.00
2.  Custom pressurized AC hoses, EVCO House of Hose. $97.50 
3.  Coolant, oil, pressure gauge, R132A Seals, receiver drier, Auto Zone. $77.00
4. AC Amplified from BJ60 $100.00
Related Links:
Custom AC Parts
Anther AC Parts Source
 
 

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