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wiring up VCT in an EF XR6 need tacho output 

 

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 Post subject: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 5:57 pm 
Getting Side Ways
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hi all,

ive dropped an AU XR6 VCT motor in my EF XR6 and i have an MSD rpm switch to control the VCT but im not sure where to get a tacho output signal from, its the only thing stopping me from driving the car :cry:

where can i wire the rpm switch into to get a tacho signal??
car is an EF XR6

thanks.

 

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 6:00 pm 
Oompa Loompa
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hey u can get the tacho from the port in the fuse box or from the coil u can ill find out wat wire it is for u and let u know if u want ......im running a vct head in my ef and i just left the vct unpulged but ill let u know wat wire it is for u
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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 6:16 pm 
Getting Side Ways
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lowfo wrote:
hey u can get the tacho from the port in the fuse box or from the coil u can ill find out wat wire it is for u and let u know if u want ......im running a vct head in my ef and i just left the vct unpulged but ill let u know wat wire it is for u


that would be great if you could

thanks :)

 

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EL XR8 SERIES 2, 5SPD, HOT CHILLI RED, 200 ODD RWKW OF V8 FUN AND GAMES

EF XR6, 5SPD, HERITAGE GREEN, AU XR6 VCT ENGINE

VL COMMODORE, 5SPD, WHITE

BA XT, AUTO, OFFSHORE BLUE

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 8:23 pm 
Getting Side Ways
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behind the cluster its a pink wire with blue trace, im in the mist of the same convesion

took me ages to find out what one it is.

 

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 9:36 pm 
Getting Side Ways
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so after a bit of searching it looks like the PINK/DARK BLUE wire at the diag plug seems to be the best bet so far.

thanks guys.

 

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EL XR8 SERIES 2, 5SPD, HOT CHILLI RED, 200 ODD RWKW OF V8 FUN AND GAMES

EF XR6, 5SPD, HERITAGE GREEN, AU XR6 VCT ENGINE

VL COMMODORE, 5SPD, WHITE

BA XT, AUTO, OFFSHORE BLUE

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 9:47 pm 
Getting Side Ways
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its also behind the cluster...tons of room to splice in a wire there, its what i have done on my au

 

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Tue Aug 17, 2010 11:59 pm 
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millard455 wrote:
so after a bit of searching it looks like the PINK/DARK BLUE wire at the diag plug seems to be the best bet so far.
Pin 45 at the EF ECU plug might be another option, if you want to house the switch in the cavity behind the ECU and run the wires out to the engine bay near the washer bottle.

 

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Wed Aug 18, 2010 4:45 pm 
Getting Side Ways
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snap0964 wrote:
millard455 wrote:
so after a bit of searching it looks like the PINK/DARK BLUE wire at the diag plug seems to be the best bet so far.
Pin 45 at the EF ECU plug might be another option, if you want to house the switch in the cavity behind the ECU and run the wires out to the engine bay near the washer bottle.


that is a great spot for it, i didnt think of hidding it behind the kickpannel/ECU. :oops:
yeah i know pin 45 is the wire that goes from ECU-TACHO-DIAG PLUG, i found that in a link you posted a while back for someone else :)

thanks heaps snap

 

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EL XR8 SERIES 2, 5SPD, HOT CHILLI RED, 200 ODD RWKW OF V8 FUN AND GAMES

EF XR6, 5SPD, HERITAGE GREEN, AU XR6 VCT ENGINE

VL COMMODORE, 5SPD, WHITE

BA XT, AUTO, OFFSHORE BLUE

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Wed Aug 18, 2010 10:16 pm 
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NP, well I suppose it makes sense to keep your wiring over the passenger side of the engine bay.

 

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97 EL Futura S/W: LPG, Alarm, LED int Lts, Trip Comp, F/Lane Dome Lt, Climate Ctrl, T5 Conversion

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 Post subject: Re: wiring up VCT in an EF XR6 need tacho output
Posted: Wed Aug 18, 2010 11:48 pm 
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Do you guys know how many pulses the computer sends to the cluster per revolution? :)

 

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