Tachometer for 1987 Evinrude 90 HP - can of worms

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  Tachometer for 1987 Evinrude 90 HP - can of worms

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Author Topic:   Tachometer for 1987 Evinrude 90 HP - can of worms

bang4dabuck posted 09-14-2008 07:00 AM ET (US)
I may have jumped the gun here since I already bought a generic Faria from Great Lakes but now after further investigation it seems I either need a "System Check tach or an additional system check gauge. Does this sound right ? Since my motor did not have a tach do I have to fork out for a new harness or can I modify the one I have ?
seahorse posted 09-14-2008 08:18 AM ET (US)

A 1987 engine does not use the SystemCheck gauge or tach, unless someone has converted and rewired the motor and VRO/OMS pump.
Of course if your motor is actually a 1996 or later model, then it does need the SystemCheck tach or gauge.
Here is a link to the System Check boat wiring harness image. If you have this type, you can use a regular tach plus the 2" System Check 4-light gauge.
seahorse posted 09-14-2008 08:58 AM ET (US)

Of course it might help if I actually posted the link
http://www.whalercentral.com/images/articles/System_Check/ System_Check_Wiring_Harness.jpg
bang4dabuck posted 09-14-2008 09:17 AM ET (US)
Glad to hear that. I was just going by Faria.
http://www.faria-instruments.com/downloads.php
I will call them on Monday for them to clarify.
thanks
bang4dabuck posted 09-14-2008 09:29 AM ET (US)
Try this again. Maybe HTML is off.
http://www.faria-instruments.com/downloads.php
How about the recommendation of a voltage regulator (addition) ?
seabob4 posted 09-14-2008 10:58 AM ET (US)
http://www.faria-instruments.com/downloads.php
Now let's have a look.
seabob4 posted 09-14-2008 11:12 AM ET (US)
I've got the separate System Check gauge should you need it. We use Faria's Euro Model w/SS bezels.
http://i285.photobucket.com/albums/ll41/seabob/DSCF0505.jpg
Or I can get you the same model tach w/Sys. Check for $75.
bang4dabuck posted 09-15-2008 11:06 AM ET (US)
No SYSTEM CHECK gauge required. Great.
Now just got to deal with a harness, I think.
thanks
Tohsgib posted 09-15-2008 12:42 PM ET (US)
There should be a pigtail with maybe a small black connector on it with 2 or 3 wires. That is your tach pigtail.
high sierra posted 09-15-2008 09:49 PM ET (US)
I have an OMC tach that plugs into your control box . It is like new and was used on an 86 40 hp Evinrude . If your control box has a plug in on the rear end of it this is possibly the unit. Price negotiable. high sierra

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Author	Topic: Tachometer for 1987 Evinrude 90 HP - can of worms
bang4dabuck	posted 09-14-2008 07:00 AM ET (US) I may have jumped the gun here since I already bought a generic Faria from Great Lakes but now after further investigation it seems I either need a "System Check tach or an additional system check gauge. Does this sound right ? Since my motor did not have a tach do I have to fork out for a new harness or can I modify the one I have ?
seahorse	posted 09-14-2008 08:18 AM ET (US) A 1987 engine does not use the SystemCheck gauge or tach, unless someone has converted and rewired the motor and VRO/OMS pump. Of course if your motor is actually a 1996 or later model, then it does need the SystemCheck tach or gauge. Here is a link to the System Check boat wiring harness image. If you have this type, you can use a regular tach plus the 2" System Check 4-light gauge.
seahorse	posted 09-14-2008 08:58 AM ET (US) Of course it might help if I actually posted the link http://www.whalercentral.com/images/articles/System_Check/ System_Check_Wiring_Harness.jpg
bang4dabuck	posted 09-14-2008 09:17 AM ET (US) Glad to hear that. I was just going by Faria. http://www.faria-instruments.com/downloads.php I will call them on Monday for them to clarify. thanks
bang4dabuck	posted 09-14-2008 09:29 AM ET (US) Try this again. Maybe HTML is off. http://www.faria-instruments.com/downloads.php How about the recommendation of a voltage regulator (addition) ?
seabob4	posted 09-14-2008 10:58 AM ET (US) http://www.faria-instruments.com/downloads.php Now let's have a look.
seabob4	posted 09-14-2008 11:12 AM ET (US) I've got the separate System Check gauge should you need it. We use Faria's Euro Model w/SS bezels. http://i285.photobucket.com/albums/ll41/seabob/DSCF0505.jpg Or I can get you the same model tach w/Sys. Check for $75.
bang4dabuck	posted 09-15-2008 11:06 AM ET (US) No SYSTEM CHECK gauge required. Great. Now just got to deal with a harness, I think. thanks
Tohsgib	posted 09-15-2008 12:42 PM ET (US) There should be a pigtail with maybe a small black connector on it with 2 or 3 wires. That is your tach pigtail.
high sierra	posted 09-15-2008 09:49 PM ET (US) I have an OMC tach that plugs into your control box . It is like new and was used on an 86 40 hp Evinrude . If your control box has a plug in on the rear end of it this is possibly the unit. Price negotiable. high sierra