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Author Topic: RPM signal for my LPG  (Read 2023 times)

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The Cambelt Kid

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RPM signal for my LPG
« on: 14 September 2007, 22:30:59 »
Hi Guys,

I wonder if anyone could help me as i bring my project LP6 to a close?

I need an RPM signal which the LPG ECU monitors, if the RPM stops, ie- in an accident, the solenoid valves at both ends of tghe car shut off and make things a great deal safer!

Anyhow, i need to find this RPM signal source and the LPG supplier advised that i should use one of the cables going to the plug pack (coil per plug on my facelift), problem is i'm not too sure if i should.  I can see x5 cables going going to each bank, on the drivers bank i can see:-

BK (thicker of them all)
BK/RD
BL/RD
BL/YL
BL/GN

I understand that there should be one 'live' and the rest ground, but i am not too sure.  

Any helpers out there on this one, pleassseee ;)

I have the RPM cable and a few rubber pipes to install now before my LPG is finally installed, whoo hooo!! finally i'm getting off the road of burning money   8-)







Ohhh, don't yer just love a bit of stainless!!  :y



« Last Edit: 14 September 2007, 23:07:01 by Omega2000w »
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[size=18]Project LP6 has landed![/size]
[size=12]DIY LPG now finally complete!! Whoo hoo.[/size]

TheBoy

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Re: RPM signal for my LPG
« Reply #1 on: 14 September 2007, 23:01:04 »
The rpm signal is available from the engine ecu
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The Cambelt Kid

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Re: RPM signal for my LPG
« Reply #2 on: 14 September 2007, 23:01:48 »
 :-?

Really?  how can i get at this?

Thanks for response!  :y
« Last Edit: 14 September 2007, 23:07:58 by Omega2000w »
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[size=18]Project LP6 has landed![/size]
[size=12]DIY LPG now finally complete!! Whoo hoo.[/size]

Marks DTM Calib

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Re: RPM signal for my LPG
« Reply #3 on: 15 September 2007, 08:48:00 »
Pin 35 of the X86 connector on the engine ECU, green wire

Pinout



Location



« Last Edit: 15 September 2007, 08:48:58 by Mark »
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The Cambelt Kid

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Re: RPM signal for my LPG
« Reply #4 on: 15 September 2007, 10:06:43 »
Excellent Mark!  Nice one, i'll go out in a bit and popo the hood. :y
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[size=18]Project LP6 has landed![/size]
[size=12]DIY LPG now finally complete!! Whoo hoo.[/size]

Martin_1962

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Re: RPM signal for my LPG
« Reply #5 on: 15 September 2007, 10:16:34 »
I use the green wire too.

Make sure the wire is kept away from anything hot like prefacelift EGRs unlike a professional installer I could name >:(
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The Cambelt Kid

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Re: RPM signal for my LPG
« Reply #6 on: 15 September 2007, 17:37:34 »
I managed to locate the green wire (No.35) on  the lower of the two ECU plugs.  I clipped into it with a vampire clip and all tested ok 8-)

Cheers
M
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[size=18]Project LP6 has landed![/size]
[size=12]DIY LPG now finally complete!! Whoo hoo.[/size]
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