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Haltech E6X: aux rev limit problem

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Old 06-14-08, 02:07 PM
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E6X: aux rev limit problem

Okay so I ran a wire from the orange wire and the red/black wire on the spare A/D to a switch. I went into halwin and turned on the Aux Rev and set it to 4k to test it. Problem: It always stays at the aux limit if the switch is on or off. to be sure the wires were not touching somewhere I traced it back and just touched the two wires together right at the plug. Same deal.

Am I missing something? This seemed pretty simple but it wont work.
Old 06-14-08, 02:18 PM
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The aux rev limit will be engaged any time the spare a/d input does NOT see 5V+. Therefore you need a normally closed relay that will supply the input with voltage. When you activate the relay and the circuit opens it removes the voltage from the spare a/d input and activates the rev limiter.
Old 06-14-08, 03:07 PM
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Originally Posted by C. Ludwig
The aux rev limit will be engaged any time the spare a/d input does NOT see 5V+. Therefore you need a normally closed relay that will supply the input with voltage. When you activate the relay and the circuit opens it removes the voltage from the spare a/d input and activates the rev limiter.
I am not very good with electrical stuff and trying to learn so bare with me, would directly connecting the orane wire and the black/red wire not turn the limiter off without a relay. Since the 5v would be going from the orange wire to the black. Or am I completly mistaken?
Old 06-14-08, 04:43 PM
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Yes.
Old 06-14-08, 05:06 PM
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Hmm weird, I still can not get it to work yet I have connected the wires directly to each other it still will not disable the aux limiter.
Old 06-14-08, 06:07 PM
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Do I need to ground the black wire to have this properly work.
Old 06-15-08, 12:11 AM
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Well I have come to the conclusion that there is something wrong with the pinouts on the ecu or the ecu because I spent several parts of the day trying different things. Hardwiring the Spare A/D and the Orange 5v+ and could never get the ecu to switch off the Aux limit. Thanks for the help ludwig hopefully I will figure this out when I have more time to trace things back
Old 06-15-08, 02:14 PM
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Okay, well the spare A/D wiring is good because in the data pages I will flip the switch back and forth and it will jump between 5v and 2.5v. So I guess it has to be a programing issue. I go to the input/output pages turn it to aux rev limit and set the aux to 5k and the normal to 7500. And it will sit on the aux. Am I missing someother tuning part of this?
Old 06-16-08, 04:32 PM
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Does anyone have any suggestions and what may be keeping this 2 step/aux rev limiter from working properly?
Old 06-23-08, 06:28 PM
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On my E6k, you connect the short orange wire (+5VDC) and the black/red wire (Spare A/D) together or run a switch between them.
I would imagine the E6X is about the same.
Then configure it the Setup Page to whatever RPM you want.
I'm going to hook mine up to my clutch switch.
Old 06-24-08, 02:15 PM
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Originally Posted by RXTASY57
On my E6k, you connect the short orange wire (+5VDC) and the black/red wire (Spare A/D) together or run a switch between them.
I would imagine the E6X is about the same.
Then configure it the Setup Page to whatever RPM you want.
I'm going to hook mine up to my clutch switch.
That is exactly what I did, and no worky. Kinda crazy and sucky
Old 07-09-08, 12:48 AM
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Someone suggested a solution to this problem, I am going to wire it up tomorrow. What was said on the haltech.com forum was that the voltage needs to jump between 0v and 5v to work properly and my voltage is floating at 2.5. So I am going to run a resistor to pull down the voltage to 0v.
Old 07-09-08, 04:59 PM
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Okay I wired it all up and it now WORKS!
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