kro10000 Posted July 21, 2010 Share Posted July 21, 2010 So today I replaced my ac bracket (thought the bearings for the fan pulley were toast, but was wrong) idler pulley and belt. After I got everything back together I fired it up and let it run while I put tools away, then when I went to shut the hood, the engine died Wtf? THen when I tried to start it it would fire up fine, then die. Under closer inspection I found that I forgot to hook up this wire (ground?) ont the AC compressor (the one with the yellow boot) After I hooked it back up, the problem didnt go away, fires up, then dies... Also the wire to the ac Efan was unhooked I also found these wires just lying around Any ideas? :help: Link to comment Share on other sites More sharing options...
maddzz1 Posted July 21, 2010 Share Posted July 21, 2010 I wouls check all the wires that connect to the relay near the battery. They get fragile over 20 years. You may have bumped one loose. Link to comment Share on other sites More sharing options...
kro10000 Posted July 22, 2010 Author Share Posted July 22, 2010 Turns out it was something completely unrelated, the fuel pump ballast resistor :huh???: I replaced it with a 1.2 ohm resistor (the original was a 1.1 ohm) which I don't think is enough to make a difference On a side note, having that ac compressor ground unhooked will fry a relay, so with a new one in and a can of R134a my ac is epicly cold :banana: Link to comment Share on other sites More sharing options...
HOrnbrod Posted July 22, 2010 Share Posted July 22, 2010 That ground wire on the compressor doesn't look like factory wiring to me. The A/C compressor is grounded via the engine negative mains cables. One on the bell housing; the other from a braided strap from the firewall to a head bolt stud. Link to comment Share on other sites More sharing options...
shark Posted July 23, 2010 Share Posted July 23, 2010 That ground wire on the compressor doesn't look like factory wiring to me. The A/C compressor is grounded via the engine negative mains cables. One on the bell housing; the other from a braided strap from the firewall to a head bolt stud. i was thinking the same thing. on xj's there are a few harness wires grounded to the engine block right below the coil. i bet that one goes there and it will actually be grounded. Link to comment Share on other sites More sharing options...
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