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See if you can help??.... fitted a vs v6 and matching 700 into an fj body.... everything runs and works well except the computor will not turn on the thermatic fan....have been told I need a BCM to do this but surely there is an easier way (other than hot wire??) AL.
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Hi gmholdman.
The engine cooling fan is switched by the engine ECU. The only thing you need a BCM for is to work the immobiliser. Considering that you already have it running, I assume youve had the VATS (immobiliser) removed from the mem-cal, so you w |
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Hi gmholdman.
The engine cooling fan is switched by the engine ECU. The only thing you need a BCM for is to work the immobiliser. Considering that you already have it running, I assume you've had the VATS (immobiliser) removed from the mem-cal, so you |
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The High/Low switching is done by the BCM.
The ECU simply tells it on/off and the BCM directs that signal, so Id rewire it to a simple on/off out of the ECU, and simply run the low speed windings off it, with the high speed hooked up to a dash switch t |
Cheers,
Mick
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The High/Low switching is done by the BCM.
The ECU simply tells it 'on/off' and the BCM directs that signal, so I'd rewire it to a simple on/off out of the ECU, and simply run the low speed windings off it, with the high speed hooked up to a dash switc |
Cheers,
Mick
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Hi Guys.
Yes, the high speed was on for high temp & a/cond together only.
Just use the engine ECU to switch the cooling fan.
Dr Terry |
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Terry, should have mentioned new VDO speedo and tacho not plugged in yet but temp and oil(vdo)are working ok. Can you see a problem with the speedo?? the auto elect seems to think the tacho may have some issues?? AL.
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There's a purple wire (with a white stripe) that comes out of the 10 pin plug near the computer.
That will hook up to most electronic speedos.
There is a tacho signal wire in the engine harness connector too.
If you kept the original loom, there's |
Cheers,
Mick
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Theres a purple wire (with a white stripe) that comes out of the 10 pin plug near the computer.
That will hook up to most electronic speedos.
There is a tacho signal wire in the engine harness connector too.
If you kept the original loom, theres 2 |
Cheers,
Mick
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Thanks Mick and Terry, will pass the info on to my sparky and will print results but will not be for a month or so. Cheers AL.
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