Tach Needle not idling but will respond

iPee

Advanced Member

Join Date: Nov 2013

Posts: 190
#1

Tach Needle not idling but will respond

12-28-2018, 10:08 PM

Hi Team,

Today my tach stopped functioning. All the other gauges and lights on the dash work fine though. I've had this happen to me once or twice before but it eventually started working again. Figure I'd give it a shot and ask here.

I've also replaced the SI board from BAV Restoration around 3 years ago, I'm hoping it's not that.

Below is a short clip

https://youtu.be/yiYZhNexEYY
Tags: None
Gregs///M

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Join Date: Mar 2012

Posts: 2459
#2

01-31-2019, 11:06 AM

Try replacing fuse 10, 12 and 21 with new 7.5A fuses. Also inspect the SI board for screw damage.

Technical Articles

http://bavrest.com/technical-articles.html

Let's start by identifying the different types and versions of the SI board. Through the entire E30 generation, there are four versions of the board. 1982-1986 early model board with NiCd batteries...

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