C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Tach filter...what's it look like?

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Old Jul 10, 2005 | 05:38 PM
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Default Tach filter...what's it look like?

I can't find a pic in my Helms. Is it a solid black plastic cylinder the size of a tootsie roll??? If not, anyone got a pic?

Thanks
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Old Jul 10, 2005 | 06:00 PM
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On '85-'89 Vettes the tach filter is a small cylinder bolted to the top of the bell housing to the left of the dist. It has a wire comming out of either side; the Wht wire goes to the bulkhead connector and then to the display.
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Old Jul 10, 2005 | 07:18 PM
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OK, got it. Now I am missing the connector that plugs into the dist. Where can I get this connector. Looked at Ecklers and Mid America but couldn't find it. Ideas? Looks like I am going aftermarket so I just need the connector.
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Old Jul 10, 2005 | 10:48 PM
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I would start with napa and then the junk yard.
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Old Jul 15, 2005 | 10:14 AM
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Default Tach Filter pic...?

Got the vette back today, and looks like it was a blown fuse that the previous owner had installed inline, behind the passenger side of the dash.
One problem down....

Next in line..
The tach dosent work.. from searching, sounds like it may be the tach filter; or at least thats a good place to start . Im looking for a tootsie roll sized black thing, with 2 wires from it, beside the distributor.

Anyone have a pic of this unit?

Did I mention you guys are GREAT!?
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