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| veeate |
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i bought an air / fuel ratio gauge for my EB..theres one signal wire on the gauge but theres 3 wires on the oxygen sensor.....which wire do i connect the signal wire to....thanks...
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| fiftyone |
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may need a bit of detective work. one wire will be earth. one will be the signal wire, with a multimeter you should get less than a volt. you need to run the gauge in parralell with the ecu
oh and the other will be a heating coil wire 50w of heat. 12v for 2 mintues when the engines cold. DONT HOOK IT UP TO THIS ONE!!!
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| JOSE |
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or tap in at the ECU
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| 4.9 EF Futura |
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Yeah tap into the ecu man.
One will be a +12v wire One will be a HEGO signal One will be a HEGO GND +12v to an acc power source. HEGO signal to the HEGO signal wire in the ECU loom HEGO GND tol HEGO ground wire in the ECU loom (<--- VERY IMPORTANT. DO NOT JUST USE ANY GROUND)
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| veeate |
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umm...how the hell do i find those wires in the ECu
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| Blu Falc |
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take the ECU out, the numbers are written above the pins.
The wire you need for the oxy sensor with have a voltage output between 0-1V |
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| 4.9 EF Futura |
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Look it up on a chart of the wiring loom, then find the appropriate wire number.
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| JOSE |
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4.9 EF Futura wrote: HEGO GND tol HEGO ground wire in the ECU loom (<--- VERY IMPORTANT. DO NOT JUST USE ANY GROUND)
hmmm, this could explain my funny a*** readings on my AFR gauge, i just tapped into the ECU ground for mine
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| TURBO_GHIA |
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so has anyone got a straight answer i need the info for an EL
which wire goes where ??
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| veeate |
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on the EB (duno if EF is the same) theres a green wire with a blue stripe on it...thats the feed wire...your gauge should have 3 wires on it...ones an ignition feed and the other ones an earth, although the Autometer instructions stipulate to use an engine earth....duno if it makes a different but...
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