Guages CRAZY, Please help

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Robertpel9

Petty Officer 1st Class
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Apr 20, 2008
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Long story, please bear with me as i need your help

There has only been 1 problem with the 1995 Chris Craft Concept 18 i bought a few weeks ago and that was that the stereoonly worked out of one speaker and you had to push in on the faceplate to get it to do that. I noticed that at top spped water would splash onto my leg under the dash and it felt like it was coming out of the stereo, so stupid me thought it was waterlogged.

Tonight I decided to figure out what was really going on and i wish i never did. Good news is that i found where the water was coming from and i fixed it. It was coming from the tube connected to the back of the speedometer and by attaching it as far up the nipple as it would go everything was sealed and no more water. However in doing that (and i got nothing else wet or loose I am sure of it) but in doing that now most of the other guages are F'ed/ Here is the deal

Before the oil pressure guage worked perfectly, now it reads the same as before when in neutral and idling but under load it pegs out at the max level and stays there

Before the horn button worked fine and the horn blew hard. Now no horn noise and when you push the button it makes all of the lower guages peg out (oil temp, coolant temp, gas, voltage)

Before the voltage gauge would sit right at 14 where it should. Now it jitter around at 11 or 12 and is erratic

Before the trim guage worked perfect and the boat would trim out right about 40% up the scale. Now when the lower unit is all the way down the trim guage is laying on the bottom dead and when i know i have the engine trimmed out for top speed (I can tell by performance and sound and feel) it is only 1/4 way up according to the guage which i know is not right

Before i had just filled the gas tank tonight at the marina and when it was full (before all of these problems) it looked ont he guage to be about 7/8th full. Now it is pegged full. Maybe this is ok, i dont know as this is the first time i have filled her up but who knows

I am really distraught over all of this. I went thru every guage on the bottom of the dash tonight, they are all dry, all have tight connections, all wiring harnesses look and feel new and tight. I do not know what to do

Please advise, i do not want to get taken to the cleaners for repairs as i am sure something stupid has happened that must be a simple fix, it is not like one guage went bad. The whole things i acting nuts and as you can see from the above all in different ways, some dont work (horn), some are erratic)Voltage), some are wrong (trim) etc

HELP ME PLEASE!!!!!!!!!!!!!!
 

oops!

Supreme Mariner
Joined
Oct 18, 2007
Messages
12,932
Re: Guages CRAZY, Please help

how's about we ask the mods to put this into the electrical section, where the gurus there can have you fixed up in a jiffy?
 

Robertpel9

Petty Officer 1st Class
Joined
Apr 20, 2008
Messages
265
Re: Guages CRAZY, Please help

I did not see an electrical section but i will try to find it and post it there as well. More people come in this section so i am hoping a simple laws of numbers will help me here.
 

getinmerry

Petty Officer 1st Class
Joined
Jul 17, 2007
Messages
211
Re: Guages CRAZY, Please help

Sounds like a bad ground connection. All the guages share a common ground wire. Find the wire that all the guages share and trace it back until you find the issue.

Chuck
 

NSBCraig

Lieutenant Commander
Joined
Aug 21, 2007
Messages
1,907
Re: Guages CRAZY, Please help

Check out my reply on your other thread
 

Robertpel9

Petty Officer 1st Class
Joined
Apr 20, 2008
Messages
265
Re: Guages CRAZY, Please help

Sounds like a bad ground connection. All the guages share a common ground wire. Find the wire that all the guages share and trace it back until you find the issue.

Chuck

How do i find that wire, does it run all the way back to the battery.

There are A LOT of wires under there, trying to narrow my search
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: Guages CRAZY, Please help

Duplicate post.
 
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