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Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

help finding tach wire

Old 05-07-2006, 07:04 PM
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Default help finding tach wire

i have 98 dx coupe and i installed a 00 cluster but the tach doesnt work, i think its because i chopped all the odb2 ecu plugs out and i converted it to odb1

does anyone know what socket number on the ecu odb1 that is for tach? i had an aftermarket tach in there but took it out because i didnt need it it was wired to the dizzy, now im boosted w/ b18b and i need a tach any help with getting my stock tach to work would be realllyy helpful

i tried wiring it to the blue wire that is on the firewall by itself but it didnt work
Old 05-07-2006, 08:00 PM
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wat did you connect your rpm signal wire too on the aftermarket tach
Old 05-09-2006, 02:59 AM
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Default Re: (eg six)

to a wire that went to the distributor, i wired my factory tach to that but it act irrotic and randomly goes up and down when it wants to
Old 05-09-2006, 04:17 AM
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Default Re: (b_serious)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b_serious &raquo;</TD></TR><TR><TD CLASS="quote">to a wire that went to the distributor, i wired my factory tach to that but it act irrotic and randomly goes up and down when it wants to</TD></TR></TABLE>

ah yes! a wire that went to the distributor....sounds like a plan to me. I'll hook all my lights to a wire that goes to the battery and it should work like a charm too.


dude, come on, either give better info or go buy the haynes manual and look through the diagrams yourself.
Old 05-09-2006, 07:34 PM
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Default Re: (stackz)

to the wire that the aftermarket tach was connected to.. smart guy..
Old 05-10-2006, 04:10 AM
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Default Re: (b_serious)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b_serious &raquo;</TD></TR><TR><TD CLASS="quote">to the wire that the aftermarket tach was connected to.. smart guy..</TD></TR></TABLE>

which is?????

I'm assuming you mean the blue wire but then you might have tried other wires that we dont know of...

did the aftermarket tach work properly when you had it spliced in after the obd conversion??
Old 05-10-2006, 04:46 PM
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Default Re: (stackz)

it was taken out before the odb1 conversion so i don't know
Old 05-10-2006, 04:49 PM
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Default Re: (b_serious)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b_serious &raquo;</TD></TR><TR><TD CLASS="quote">to a wire that went to the distributor, i wired my factory tach to that but it act irrotic and randomly goes up and down when it wants to</TD></TR></TABLE>
Check the tach ground, make sure its got a good grounding point
Old 05-11-2006, 05:25 AM
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Default Re: (yellowrexsi)

same as distributor ground?
Old 05-11-2006, 07:30 AM
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which ECU are you using?
which distributor?
which wire harness?
Old 05-11-2006, 10:49 AM
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Default Re: (b_serious)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b_serious &raquo;</TD></TR><TR><TD CLASS="quote">same as distributor ground?</TD></TR></TABLE>
try grounding it to the chassis. You might be getting interference
Old 05-11-2006, 02:04 PM
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Default Re: (yellowrexsi)

using a 0db1 pr4 ecu and the stock odb2 ls dizzy, also the stock odb2 wireharness
Old 05-11-2006, 04:26 PM
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stock OBD2b wire harness?
or OBD2a wire harness?
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