Matronics Email Lists :: View topic

Matronics Email Lists
Web Forum Interface to the Matronics Email Lists

Get Email Distribution Too! FAQ Search Memberlist Usergroups Register

Profile Log in to check your private messages Log in

Stratus tach hookup

Matronics Email Lists Forum Index -> Zenith-List

View previous topic :: View next topic

Author Message

steerr(at)bellsouth.net
Guest

Posted: Wed Oct 24, 2007 1:34 pm Post subject: Stratus tach hookup

Ok, I'm stuck.  I started my Stratus EA-81 for the first time on 

Sunday.  All the pressures, temperatures and voltages were as expected.  

There were a few glitches, though - the left fuel pump is inop, idle 

speed needed to be adjusted, and the tach was reading zero for both 

ignitions.



I've traced through the wiring for the tach and it seems to be ok.  That 

is, the signal is hooked to pin 4, ground to pin 3, and +12 v on pin 2.  

I thought the leads from the ignitions might be reversed, so I switched 

them, but still get zero.  The tach moves off dead bottom (less than 

zero) and reads exactly zero when the engine is running, so I'm thinking 

I must have the sensor wires hooked to the wrong place.  Those wires are 

attached to the black lead on each of the coils.  Is that the correct 

place to hook them up?  Is there a signal I can look for with a 

voltmeter on each of the signal wires?



Thanks very much for any help or suggestions.



Bill

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

larry(at)macsmachine.com
Guest

Posted: Wed Oct 24, 2007 2:01 pm Post subject: Stratus tach hookup

Hi Bill,

I've put both tach connections at the "B" ignition switch and ground 

back from the instruments.

Using a VDO tach and EIS tach readout as well. I couldn't make the 

original UMA tach work and replaced it with

a VDO.

http://www.macsmachine.com/images/electrical/full/Ignition-Dual-Dizzy-and-TP4.gif



Larry McFarland  601HDS at www.macsmachine.com



Bill Steer wrote:

 	  Quote: 	
		   



 Ok, I'm stuck.  I started my Stratus EA-81 for the first time on 

 Sunday.  All the pressures, temperatures and voltages were as 

 expected.  There were a few glitches, though - the left fuel pump is 

 inop, idle speed needed to be adjusted, and the tach was reading zero 

 for both ignitions.



 I've traced through the wiring for the tach and it seems to be ok.  

 That is, the signal is hooked to pin 4, ground to pin 3, and +12 v on 

 pin 2.  I thought the leads from the ignitions might be reversed, so I 

 switched them, but still get zero.  The tach moves off dead bottom 

 (less than zero) and reads exactly zero when the engine is running, so 

 I'm thinking I must have the sensor wires hooked to the wrong place.  

 Those wires are attached to the black lead on each of the coils.  Is 

 that the correct place to hook them up?  Is there a signal I can look 

 for with a voltmeter on each of the signal wires?



 Thanks very much for any help or suggestions.



 Bill

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Wed Oct 24, 2007 4:05 pm Post subject: Stratus tach hookup

Apple-Mail-10-214999670--

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Wed Oct 24, 2007 4:14 pm Post subject: Stratus tach hookup

I'm using the VDO tach from Zenith. I  have a "+" terminal on the tach which is hooked to the voltage from the ignition switch, A "-" terminal which is grounded and an "S" terminal which is hooked to the "-" wire on the coil. I don't recall what color the wire on the coil is but it is the wire that isn't hooked to the ignition switch.



 	  Quote: 	
		  --> Zenith-List message posted by: Bill Steer <steerr(at)bellsouth.net (steerr(at)bellsouth.net)>

Ok, I'm stuck.  I started my Stratus EA-81 for the first time on Sunday.  All the pressures, temperatures and voltages were as expected.  There were a few glitches, though - the left fuel pump is inop, idle speed needed to be adjusted, and the tach was reading zero for both ignitions.

I've traced through the wiring for the tach and it seems to be ok.  That is, the signal is hooked to pin 4, ground to pin 3, and +12 v on pin 2.  I thought the leads from the ignitions might be reversed, so I switched them, but still get zero.  The tach moves off dead bottom (less than zero) and reads exactly zero when the engine is running, so I'm thinking I must have the sensor wires hooked to the wrong place.  Those wires are attached to the black lead on each of the coils.  Is that the correct place to hook them up?  Is there a signal I can look for with a voltmeter on each of the signal wires?

	




 -- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.

 



 [quote][b]

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

Display posts from previous:

	Matronics Email Lists Forum Index -> Zenith-List	All times are GMT - 8 Hours
Page 1 of 1

Jump to:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum