 914 tachometer indicator lights?, Why are there two different 914 tach displays (turn indicator lights)? |
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| Jezibel |
 Jan 10 2025, 05:54 PM
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#1
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Das Echte POORSCHE Fahrer  Group: Members Posts: 44 Joined: 21-January 24 From: Northern California Member No.: 27,868 Region Association: Northern California  |
OK, would some wise soul (George/Dr. 914?) please explain to me why there are apparently two different VDO tachs found in 914s...one of which has separate green arrows for left and right turn indicator actuation and the other with a single left side light for both turn indicators and a right-side light indicator that high beam is on?
I refer, of course, to the two small indicator bulbs that sit at the top of the tach face on top-left and top-right? Most cars have separate L/R turn indicator lights, but apparently the Porsche 914 was equipped with both types of tachs? I vaguely recall that the early 914s had the two green arrow indicators type, and later models used the left turn indicator and right high-beam on-indicator type. Thanks in advance. (IMG:style_emoticons/default/confused24.gif) |
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| Spoke |
Jan 10 2025, 08:06 PM
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#2
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Jerry Group: Members Posts: 7,113 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None 
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The '70-'73 models had the separate turnsignal indicators in the tach. The '74-'76 had the single L/R indicator.
I'm not sure why they changed over. |
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| Retroracer |
Jan 11 2025, 12:23 PM
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#3
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Senior Member Group: Members Posts: 623 Joined: 7-July 13 From: Bend OR Member No.: 16,100 Region Association: Pacific Northwest
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Model year change, as @Spoke suggested. Probably motivated by cost savings; another trend was later tachs switched to a polycarbonate lens, from the earlier glass. Also the indicator (pointer) assembly was switched to mostly plastic iin later models - FYI
- Tony |
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| Jezibel |
Jan 11 2025, 02:29 PM
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#4
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Das Echte POORSCHE Fahrer Group: Members Posts: 44 Joined: 21-January 24 From: Northern California Member No.: 27,868 Region Association: Northern California |
Thanks for that clarification, Tony & Jerry. That seems to mirror something along those lines I read elsewhere. Since having a separate L & R indicator light is, in my opinion, quite helpful (nothing irritates me more than carefree people riding along on the freeway with their turn indicators winking merrily away!), perhaps I could acquire one of the earlier year tach instruments and install it in place of my OEM '74 unit. Hopefully no wiring changes would be required. As far as the indicator needle goes, I much prefer the all black version (later type) to the central silver hub type.
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| JeffBowlsby |
Jan 11 2025, 04:41 PM
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#5
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914 Wiring Harnesses Group: Members Posts: 8,799 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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The wiring harness is different. You’ll need to do some custom wiring to make this work.
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| dtmehall |
Jan 11 2025, 08:02 PM
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#6
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Member Group: Members Posts: 76 Joined: 21-December 23 From: Farmington Hills, Michigan Member No.: 27,808 Region Association: Upper MidWest |
and maybe a different flasher relay
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