oh well, learn sumthin new every day.. mark k
`YEARS AGO I COULDNT SPELL COMPWUTER PWOGWAMMER, NOW I ARE ONE.....` ----- Original Message ----- From: "KRISTIAN WALSHAM" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, July 12, 2004 8:27 PM Subject: Re: Datsun factory tacho > Not the factory Datto ones. > > > Kris. > ----- Original Message ----- > From: "mark krawczuk" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, July 12, 2004 8:27 PM > Subject: Re: Datsun factory tacho > > > > er um.........dont tachos pick up from neg of coil ./?????? > > > > > > mark k > > > > > > > > > > > > > > > > `YEARS AGO I COULDNT SPELL COMPWUTER PWOGWAMMER, NOW I ARE ONE.....` > > ----- Original Message ----- > > From: "Terry Rudd" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Monday, July 12, 2004 7:38 PM > > Subject: RE: Datsun factory tacho > > > > > > > Mark, > > > > > > Here is an old post with instructions to wire up a factory tacho. There > > are > > > a few different wiring colours for the other than white wires but these > > > instructions tell you how to wire it up regardless of the colours and > > which > > > white wire goes where. > > > > > > Here is how you wire the impulse inductive pickup type of tacho into a > > 1600. > > > The 2 white wires connect into the positive coil loom wires and the > other > > 2 > > > wires in the centre of the tacho are for 12v battery power and earth. > > Don't > > > be tempted to splice into the ignition circuit behind the dash unless > you > > > can see a pigtail wire that's usually got heaps of insulation tape > wrapped > > > around it. The impulse wires must be wired into the loom as close to the > > > coil as possible but I've found that not all 1600's are wired like this. > > > The 1600 SSS wiring loom is different from the Deluxe/GL etc as it > caters > > > for the coil circuit to have this type of tacho. Some models circa > 1971/72 > > > actually have the wires to the coil already in the loom with a pigtail > > > connector that's removable and allows you to simply remove the pigtail > > > wire and plug in the white tacho wires. > > > > > > If you have to add the impulse wires then here are step by step > > > instructions. > > > You will need some male & female spade connectors and 2 wires long > enough > > to > > > go from the white wires on the tacho when fitted into the dash to the > > coil. > > > I > > > use what's called figure 8 wire for the coil and good quality speaker > wire > > > will do and if you're lucky one of the wires will have a stripe which is > > > useful. > > > > > > Connecting it up. > > > I usually connect up the tacho to check that it's working correctly > before > > > fitting into the dash - it's easier to trouble shoot that way. > > > > > > Remove the loom wire from the positive side of the coil. Connect one of > > the > > > wires of the F8 wire to the positive coil terminal (I use the solid > colour > > > on speaker wire for positive coil terminal with female spade connector) > > and > > > connect the other side of the F8 wire (striped with male spade > connector) > > to > > > the positive coil wire in the loom that you just pulled from the coil. > > > > > > Look at the tacho from the back. The 2 white wires loop through the > plate > > > vertically. Fit a female spade connector to the bottom wire and a male > > spade > > > connector to the top wire. The white wire at the bottom goes to the > > positive > > > side of the coil so connect it to the other end of the F8 wire with > solid > > > colour. The white wire on top goes to the existing wire in the 1600 loom > > > that > > > was on the positive terminal of the coil. > > > > > > Now for the other wires i.e. +12v battery and Earth. > > > Look at the back of the tacho again with the white loop wires at the > > bottom > > > of the tacho. > > > You'll see a small circuit board down the hole, one wire will go through > > the > > > board and disappear and the other wire turns right above the board and > > also > > > disappears. The wire that goes though the hole in the board is the > > Negative > > > and therefore the other wire is the Positive. > > > > > > Some 1600 tacho of this type have two external plug in connectors in the > > > housing for lighting. Some 1600 looms have the plug that you can just > > > connect into the dash lighting circuit and on the loom side it is a 3 > pin > > > female connector. The colours loom side to the connector are Green/red, > > > Green/black and Black. If your car hasn't got the connector then it's > > pretty > > > easy to just splice into another light circuit, the green wires on the > > tacho > > > plugs are positive and the black wire that are joined together are the > > > negatives. > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] Behalf Of Mark > > > Sent: Sunday, 11 July 2004 11:04 PM > > > To: [EMAIL PROTECTED] > > > Subject: Datsun factory tacho > > > > > > > > > I have a Datsun tacho I'd like to check, which I guess will need +12v, > > > gnd and negative signal from coil at a minimum. > > > The wires on the back are: white (male), white (f), black and green. I > > > thinking black ->gnd, green->12v. > > > > > > Mark. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[EMAIL PROTECTED]/ ---------------------------------------------------------------------
