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  Possible to use system check guage on non system check engine?

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Author Topic:   Possible to use system check guage on non system check engine?
chillinjc posted 08-03-2003 10:36 PM ET (US)   Profile for chillinjc   Send Email to chillinjc  
My wife recently tried to help me with my 13 classic restore by presenting me with a new guage, nice faria chromed ugger, problem is its an 8 pin system check guage and I have a 1992 johnson. obviously no system check but is it possible to make or by a harness that will atleat give me tach function? does anybody have an "old" system check guage harness or at leat a schematic of one that will help me identify the pin/ wire position so I can make one? Please help!
Sal DiMercurio posted 08-03-2003 11:40 PM ET (US)     Profile for Sal DiMercurio  Send Email to Sal DiMercurio     
It wont work because that unit is for a computerized engine.
As far as a tach goes, just buy an omc Bombardier tach & connect it to your rectifier [ gray wire if you have a charging system ].
If you don't have a charging system, your out O luck.
Sal DiMercurio posted 08-03-2003 11:44 PM ET (US)     Profile for Sal DiMercurio  Send Email to Sal DiMercurio     
All OMC Bombardier engines require #6 setting on the back of the tach.
I wouldn't buy an after market [ teleflex ] tach because they sometimes don't work on OMC Bomb engines no matter which setting you put it on.
chillinjc posted 08-04-2003 12:17 AM ET (US)     Profile for chillinjc  Send Email to chillinjc     
Sal I appreciate the input but thats what I need to know, what input goes to wich pin, I can build a system to translate it to the guage if I had a schematic or a pin diagram (im a computer engineer) correct if im wrong but since there is a switch on back for either a six or a five pulse engine then one of these pins must reciev a pulse form tach send wire? (wich was grey on old johns and rudes) and then one of these pins must be some sort of positive input for power 12v or 6 v perhaps maybe less. This is what I need to know what pins recieve what input. All the rest I can handle if I have schematics or pin configs. i hope someone here knows. Iboats has a listing of a guy who has done this but he has yet to get back to me. Any input (hee hee) is good input please keep it coming!
jimh posted 08-04-2003 07:40 AM ET (US)     Profile for jimh  Send Email to jimh     
Here "system check" refers to Bombardier's new System Check ® series of gauges, now a registered trademark of Bombardier.
Whalerdan posted 08-04-2003 10:17 AM ET (US)     Profile for Whalerdan  Send Email to Whalerdan     
How'd you do that?
triblet posted 08-04-2003 11:37 AM ET (US)     Profile for triblet  Send Email to triblet     
How he do: ??

On Windows 2000, Start, Programs, Accessories, System Tools,
Character Map. Click on the character, click on Select,
click on Copy. Paste it into the post with Shift-Ins.

I THINK OMC had an adapter from system check guages to non
system check motors. I think I saw a reference to it in
the service manual for my Evinrude 90.


Bigshot posted 08-04-2003 11:40 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Systems check is every VRO or 4 stroke engine from like 1996 to present. The gauge should work being my Sytems check OMC guage had a diagram to "hard wire" it instead of using the clip in harness. You can also buy the sytems check adapter from your dealer for about $35 that connects the new wiring harness(which you would also need) to the old "red" plug under your cowling. Would be easier to return gauge and get a standard tach. If it is a systems check gauge it will have the 4 warning lights on the face of the tach. If no lights, standard tach.
Bigshot posted 08-04-2003 11:42 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Triblet is correct too. I correct my last post in that you do not need the additional harness, just the $35 adapter.
chillinjc posted 08-04-2003 10:00 PM ET (US)     Profile for chillinjc  Send Email to chillinjc     
actually guys I posted this on iboats also and a good guy named john sent me this! I made my own harenn for the three pins at radio shack for less than ten bucks then heat shrank them to water tight, works like a charm

"john wrote:"
The adapter harnes lists for around $230.

If you just want to use the tach function of the gauge, here's the pin configuration (looking at the back-side of the gauge, holding it upright):


Purple wire goes to pin 1
Black wire goes to pin 2
Gray wire goes to pin 3

Thanks to all who wrote in!

jimh posted 08-04-2003 10:48 PM ET (US)     Profile for jimh  Send Email to jimh     
The symbol ® is an HTML entity. This is defined in the HTML specifications. It is independent of the operating system and the character set. The method Chuck describes will probably depend on the operating system and character set to be properly decoded

To use an entity, I just enter its character code. I will show the character code below, but with hyphens between the elements (otherwise it would render as the character not the code!)



Whalerdan posted 08-06-2003 02:36 AM ET (US)     Profile for Whalerdan  Send Email to Whalerdan     
Neat! Thanks!


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