 Later 911 2.7 tacho,, wiring info anyone,please |
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| porschetub |
 Oct 16 2016, 01:55 PM
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Advanced Member  Group: Members Posts: 4,706 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None  |
My current tach is from memory a 72 911 one,looks nice but that's about it,the needle is unstable as rpm changes and not reading right.
I have a later tach which is from a 76 and has 8 pins on the back (only 3 used) can anyone tell me what pins 2,5 and 6 are for ?. 1 x purple black to engine loom, 1 x brown earth, 1 x red/black switched power. I need to know which wire to which pin,thanks in advance |
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| porschetub |
Oct 20 2016, 05:08 PM
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Advanced Member Group: Members Posts: 4,706 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
Have been in contact with Bob @ tachadapt and he has been super helpful,clever man ,he thinks my sourse for tach signal is wrong,so he sent me some schemetics to go thought what I have ,appears its better to receive a tach signal from the cdi rather than the coil,all food for thought.
Contuary to what pertronix says its not plug and play with all 3 pin Porsche supplied CDI's,he mentioned there coil isn't a match for the permatune I have,Perry pointed this out in one of his emails and he was right...sorry Perry. So Bob summed up by saying my system will work fine but I'am not getting full bang for buck so I have 2 options replace the coil with the correct one or remove the Permatune from the system. I have yet to decide......... |
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Posts in this topic
porschetub Later 911 2.7 tacho, Oct 16 2016, 01:55 PM
Catorse All it needs are those three connections - 12v swi... Oct 16 2016, 10:10 PM
porschetub
All it needs are those three connections - 12v sw... Oct 17 2016, 02:14 AM Catorse
All it needs are those three connections - 12v s... Oct 17 2016, 08:18 AM Catorse Check this out, it's on pelican - GOOGLE IT.
... Oct 17 2016, 08:24 AM ClayPerrine The factory 911/914-6 ignition circuit is a capaci... Oct 17 2016, 11:27 AM porschetub Thank you gentleman for your replys.
I did search ... Oct 17 2016, 12:34 PM Catorse That doesn't look like the tach I have (74-77)... Oct 17 2016, 02:35 PM porschetub
That doesn't look like the tach I have (74-77... Oct 17 2016, 07:06 PM Steve It's not rocket science. There is a part numb... Oct 17 2016, 02:44 PM mepstein I might have a tach for a 2.7 that I can trade you... Oct 17 2016, 07:22 PM porschetub Thanks a lot Steve that's what I needed,I will... Oct 18 2016, 12:08 PM |
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