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Author fitting revcounter / tacho
tom_simes
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Registered: 12th Jan 05
Location: Undy, Newport Drives: Skoda Octavia vRS estate
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17th Aug 05 at 09:34   View Garage View User's Profile U2U Member Reply With Quote

I have looked at othe posts on here, and most say to coonect the green wire from the tacho to a green wire on the ECU behind the drivers kick panel.
I was just wondering, has anyone got a photo of this section of the ECU, so I can see what I'm doing? And what is the quickest way of getting the kick panel off, cos I think the bonnet release handle is in the way?
Any help will be much appreciated.
Thanks guys and gals
MR2Mike
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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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17th Aug 05 at 13:25   View User's Profile U2U Member Reply With Quote

the green wire of the rev counter goes to the coil pack i think (negative side)

[Edited on 17-08-2005 by Mike_Corsa]
tom_simes
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17th Aug 05 at 13:59   View Garage View User's Profile U2U Member Reply With Quote

got any pics?
MR2Mike
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17th Aug 05 at 14:13   View User's Profile U2U Member Reply With Quote

what engine is it? i did it on my old 1.2 but now have a 1.4 and its totally different system, not a clue on the 1.4
tom_simes
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17th Aug 05 at 14:13   View Garage View User's Profile U2U Member Reply With Quote

its 1.2 93 plate
MR2Mike
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17th Aug 05 at 14:23   View User's Profile U2U Member Reply With Quote

ok mate, its on the right hand side of the engine as you look at it. a box with one lead from the distributor going to it i think havent got any pics of the old engine sorry, was too ashamed of it to take any lol. its not that hard to find mate, if you send a pic of the engine to me, ill put a ring around it for you.

good luck
tom_simes
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17th Aug 05 at 14:33   View Garage View User's Profile U2U Member Reply With Quote

ok thanks mike so just run green wire to negative side of coil and it should work no probs? obviously connect up earth and switched live as well!

[Edited on 17-08-2005 by tom_simes]
MR2Mike
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17th Aug 05 at 14:36   View User's Profile U2U Member Reply With Quote

yeh pal, worked for me

good luck
tom_simes
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23rd Aug 05 at 13:53   View Garage View User's Profile U2U Member Reply With Quote

mike, just wana say thanks mate, wired it up to the negative side and all works great!
Thanks mate
ed
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Registered: 10th Sep 03
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23rd Aug 05 at 14:52   View User's Profile U2U Member Reply With Quote

Green wire should be on the loom behind the clocks on the big multiplug.

Otherwise run a wire to the - terminal on the coil.
tom_simes
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23rd Aug 05 at 15:12   View Garage View User's Profile U2U Member Reply With Quote

ed look in the post above mate-
Just said I run it to the coil and all works perfectly! LOL
Can't wire it up to clocks, as no tacho there
Will94
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Registered: 1st Nov 02
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23rd Aug 05 at 23:26   View User's Profile U2U Member Reply With Quote

There is a green wire down behind the kick panel... would have been a bit easier than running one all the way under the bonnet but least you got it working!
If you did decide to neaten it up tho then take off the kick panel (unscrew it then slide it down a bit, otherwise the bonnet handle will jus flex outta the way) and there will be a square plug right at the front. 9 wires going in from the ECU (one of these is the green one you need) and on the other side of the plug there is 8... which go up behind the dash. In the 1.2 8v SPi models this is where the loom differs from the 1.4 8v SPi... the green wire isnt carried on! This is the intended signal wire which runs a rev counter....and then you wont have cables trailing around your engine bay.

Either way least it works
tom_simes
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24th Aug 05 at 09:52   View Garage View User's Profile U2U Member Reply With Quote

I already have an amp power lead through the bulkhead, right next to the battery, and the coil is also next to the battery. All I had to do was thread the cable through the same grommet as the power cable and under the battery and then splice it in to the coil wiring, only bout a 15 minute job under the bonnet!
ed
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Registered: 10th Sep 03
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24th Aug 05 at 10:40   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by tom_simes
ed look in the post above mate-
Just said I run it to the coil and all works perfectly! LOL
Can't wire it up to clocks, as no tacho there
On most Corsa's there is still a green wire to use even if you have no rev counter on your clocks.
tom_simes
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24th Aug 05 at 10:48   View Garage View User's Profile U2U Member Reply With Quote

I didnt wana take the chance cos from reading other posts on here, base model old corsas like mine (93 LS) don't always have them, and I cudnt be bothered to take the clocks out to find it wasnt there!
Siberia
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Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
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24th Aug 05 at 13:50   View User's Profile U2U Member Reply With Quote

sure taking the clocks out is a 10 minute job...

MR2Mike
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25th Aug 05 at 21:13   View User's Profile U2U Member Reply With Quote

no problem tom glad it worked !
ricky1989
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Registered: 3rd Apr 06
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29th May 06 at 15:40   View User's Profile U2U Member Reply With Quote

my corsa doesnt have a green wire, and what side is the negative side to teh coil?

 
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