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  1. HISSIN50

    What is this?

    This is on a 94-95, right? Two-digit codes are for Fox III's. I thought you said you'd had 311 and 314 codes in the past. Those are AIR codes. Without a vacuum signal, a diverter can't function dynamically.
  2. HISSIN50

    What is this?

    The TAB/TAD vac lines get brittle. That can definitely generate an AIR code.
  3. HISSIN50

    Engine Question on 3G Alternator.

    I don't have a pic of them. The charge cable is blk/orange and the sense wire is yellow. On the reg, the sense wire is labeled A if you want to trace it from the far end.
  4. HISSIN50

    Engine Question on 3G Alternator.

    The yellow-wire loop like in the picture above is sometimes utilized if the OEM charge cable AND sense wire are removed from the vehicle. If the OEM charge cable was left connected at the solenoid, the yellow wire is still sensing alternator output (and the loop is not necessary).
  5. HISSIN50

    Engine Question on 3G Alternator.

    Have you checked ripple current? There's no need to reinstall those two original charge wires. Do insulate them since they are still connected to the battery.
  6. HISSIN50

    What is this?

    Have you pulled codes yet? Did you see an AIR code? If you pull codes, look for an EGR code - it would fit the times your CEL is coming on.
  7. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    I see no reason why you couldn't do that (to either idea).
  8. HISSIN50

    Soon(ish) Fan Controller Install

    I don't come in Talk much so I missed this one. How did the install go? I would not use any crimp connectors on the power side of the wiring (feed from the battery or feed to the fan). They're ok for the control-side wiring if done well. For tapping, I prefer the 3M scotchlok t-taps.
  9. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    Final thoughts because we have a lot of loose ends (there are 10 ways to skin this cat). If you can supply 12V to CCRM PIn 14 OR ground to Pin 17 and the EDF or HEDF (respectively) engage, we can tailor a custom circuit around what, if any, circuits are functional. If one or both of those work...
  10. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    It's nice having another set of eyes watching this in case I make an error. I haven't been on here in awhile and my old memory is foggy. :D It's too bad that the OEM circuits use reverse polarity triggers because it makes creating an all-encompassing parallel fan circuit with one relay difficult.
  11. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    Yeah, that's on me. I consider it a driver issue but it well could be hardware related. Very valid point and correction. The circuits are not supplying hardly any current and the relays obviously do the heavy lifting. That said, something goes awry with a lot of the EDF/HEDF circuits, so...
  12. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    Yeah, the ECT is a thermistor, so when reading almost no voltage (i.e. disconnected), that would correlate to a really high temperature. The ECU doesn't know what's up and goes into a sort of safe mode. Your idle goes high, the mixture goes rich, the EDF comes on, etc. The fan should have come...
  13. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    Yeah, it's kind of a pain. You also end up using a third relay as a control (so low and high are not on at the same time - that's bad for the fan motor). I would not bother with all of that - I'd just run one Bosch/Tyco style 75 amp relay triggering high speed. Pin 14 receives 12V when low is...
  14. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    Re post 6 (you posted while I postulated), the chip should just modify the OEM settings and the ECM is driving the cart (drivers). The chip adds a wildcard because you don't know what was programmed exactly (unless you have a bin file from the tuner). A hypothetical: If high speed was set to...
  15. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    Yep, situations similar to yours are not uncommon. They can even pass the self-test (and function properly during said test) even though they don't perform properly in an operating dynamic. Had you disconnected the ECT before generating the fan code (disconnecting the ECT can cause the fan...
  16. HISSIN50

    Heater tubes were leaking, now fixed.

    Not a problem. I wasn't much help but I tried Dave. Harvey, it was obviously an issue on my end - I can see the pics today. :nice:
  17. HISSIN50

    Electrical I can't get my fan to run at all... Need guru advice.

    I have the feeling that your EDF driver(s) simply went sour. If you want (and haven't yet), confirm the fan is not being commanded on (12V at pin 14 above ~208*F; continuity to ground at Pin 17 above 226* or with AC on. You've tested that AC part already). This test is useful because it rules...
  18. HISSIN50

    Heater tubes were leaking, now fixed.

    Great thread guys. :nice: Davis, I can't see your pics. :(
  19. HISSIN50

    Engine Question on 3G Alternator.

    They don't want people jump starting a dead battery and letting the alt charge the battery back up.
  20. HISSIN50

    Engine Electric Fan Swap Questions

    You are going to want something that pulls a real 2500+ CFM. That's why we recommend the tried and true fans. The OEM stuff is very hard to beat, as it's made to function for 70K+ miles (through a warranty period). Since you're talking about the Taurus fan, for clarity, the ones generally...
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