Harley is usually black to earth Orange as feed ( live) which leaves you to try "bus" to switched/points side of coil, the rest apear to be the lights and teltales which you c
an use later
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| Rev Meter/Tachometer http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=5630 |
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| Author: | adam_d [ April 24th, 2015, 9:05 pm ] |
| Post subject: | Rev Meter/Tachometer |
Hi everyone. To those that have them fitted, what rev meters are people using on their cars? After a post on the facebook group about them, I got a cheapish Harley Davidson one, but I can't get it to work. As soon as I connect the signal wire to the coil the car won't start. It has 6 wires, so I think I might have got one that's too recent and is expecting a different signal. I like the look of the Harley one and it has the right range, so if I'm just doing something obvious wrong then excellent. Otherwise, which one is the right one to get? Or what is a good alternative? I'd like to stick to an analogue one if I can. Thanks. |
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| Author: | lpgo [ April 24th, 2015, 9:54 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
Something like this?? Attachment: 229977d1328203596-road-glide-2001-tachometer-wiring-diagrams-need-help-01-tach.jpg speakes for itself I guess |
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| Author: | Russell [ April 24th, 2015, 9:56 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
I've got a Stack tacho with tell tale and shift light and recall and its the bollocks. |
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| Author: | adam_d [ April 24th, 2015, 10:54 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
Mine looks like this in the back, with a multiplug. Attachment: tach.png Sorry that wiring diagram is tiny, it blurs out if I make it bigger and is the only one I can find that matches mine. The signal wire here is labelled Databus, which makes me think it's the newer one. Russell wrote: I've got a Stack tacho with tell tale and shift light and recall and its the bollocks. Are you shed2cv on youtube? Did see a stack one on there and it looks pretty good. |
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| Author: | lpgo [ April 24th, 2015, 11:13 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
What did you connect?? Battery Ground and ignition?? |
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| Author: | Sean [ April 24th, 2015, 11:16 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
You need to connect to the (-) side of the coil....thats the side that goes to the points or whatever you use. Which tach did you get was the one i linked to? |
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| Author: | AZS [ April 24th, 2015, 11:19 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
adam_d wrote: Mine looks like this in the back, with a multiplug. Attachment: tach.png Sorry that wiring diagram is tiny, it blurs out if I make it bigger and is the only one I can find that matches mine. The signal wire here is labelled Databus, which makes me think it's the newer one. Russell wrote: I've got a Stack tacho with tell tale and shift light and recall and its the bollocks. Are you shed2cv on youtube? Did see a stack one on there and it looks pretty good. Ignition (pin1)? |
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| Author: | Sean [ April 24th, 2015, 11:35 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
Harley is usually black to earth Orange as feed ( live) which leaves you to try "bus" to switched/points side of coil, the rest apear to be the lights and teltales which you c an use later
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| Author: | adam_d [ April 24th, 2015, 11:39 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
Sean wrote: You need to connect to the (-) side of the coil....thats the side that goes to the points or whatever you use. Which tach did you get was the one i linked to? Yeah it was the one you linked to, like this but the plug was already cut off: http://www.hdforums.com/forum/attachments/touring-parts/246244d1335181690-road-king-police-tach-dsc_0635.jpg The way I've tried it is with Ignition/Battery/Accessory connected to 12v, ground connected and the databus/signal connected to the wire to the points from the coil. When I do that it lights up and makes like a power on noise (https://www.youtube.com/watch?v=vjRnrB9LB-4) and the needle twitches. That stops the spark, if I take that wire off the coil negative then it fires fine. The needle on the tach never moves besides when it powers up. |
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| Author: | Sean [ April 24th, 2015, 11:51 pm ] |
| Post subject: | Re: Rev Meter/Tachometer |
Hmm try it using only black orange and signal What ignition system do you use? |
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