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30th August 2011, 06:13 PM
#1
Expert
rd28 to td42 engine conversion tacho wiring
Hi guys Im in the final part of my conversion and I cant figure out how to wire up the 4.2 tacho sensor to the 2.8 loom. as the 4.2 sensor has 2 wires and the 2.8 loom has 3 wires.
Any info will be helpful thanks.
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30th August 2011 06:13 PM
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5th September 2011, 09:12 PM
#2
Hey benno,
Do you have a thread going on the whole conversion?
I have a complete GQ with td42 and crappy body and am thinking about buying a GU with a cactus 2.8 in it but am just trying to get more info on doing the conversiona nd how difficult it is
cheers
bexi
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7th September 2011, 07:21 PM
#3
Expert
Nah not yet mate but I will as soon as its all finished.
Its not a hard conversion if your handy with tools but with putting it in a GU I know you need a GU gearbox.
By the way tacho all sorted.
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7th September 2011, 07:37 PM
#4
did you try it with a gq gearbox first to see what would happen/how much of the floor you'd have to cut out?
Also, how did you sort the tacho out?
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7th September 2011, 07:45 PM
#5
Expert
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7th September 2011, 07:47 PM
#6
oh ok ... so what's the trick to the tacho wiring?
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7th September 2011, 07:53 PM
#7
Expert
just cut the plug and used two wires out of it. Thought id give it a go and it worked so all good.
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7th September 2011, 07:57 PM
#8
ha! ...so the 2.8 harness has 3 wires and the tacho sensor on td42 has 2 wires????? is that correct?
...then you just did trial and error with the wires? do you have the colours?
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7th September 2011, 08:05 PM
#9
Expert
I did'nt take to much notice of what colour wires I used. My 2.8 harness had 3 wires But a mates one only has 2 wires. And yeah the TD sensor has 2 wires.
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7th December 2011, 10:32 PM
#10
completed also stuck on wiring
hi did this conversion not long ago took 5 days to complete although im having trouble with wiring
out, RD28 (GQ RX2.8)
in GQ TD42 added the turbo after and tricked the pump
struggling with dash
speedo and tacho do not work
any ideas on what i need to do i am still using the 28 lume and dash was told i can get it working with the 4.2 just unsure how
thanks
zac
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