question about gauges...

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metalmessiah

Seaman
Joined
Jul 28, 2002
Messages
55
Im having trouble with some of my gauges. stock setup on a 1997 astro 1700 bass boat with a 1997 force 120<br />model h-120412td, late serial number. the trim gauge jumps erratically when trimming up or down, always ends up<br />being accurate but never moves in a smooth motion, sorta spikes up & down.the tachometer seems to stick sometimes.<br />every once in a while it works right, usually the first few minutes it always is accurate. after that when I stop it may stick<br />on 2000 rpm when I idle along. when I take off again it adds that 200 to what Im running. the speedo always works right.<br />the rectifier checks out and the batteries are brand new marine starting and deep cycle trolling respectively. any ideas what <br />else the problem could be?thanks
 
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StAugVol

Seaman Apprentice
Joined
Jan 12, 2003
Messages
45
Re: question about gauges...

metal,<br />sure about those connections?<br /><br />there's some gauge threads in the archives that'll help you out. I just wrapped up a pesky gas gauge with the info I got. run a search with the words gauges+trim+tach or tachometer.<br /><br />I'll see if I can find the link to the company that makes gauges down in south florida, it had lot of pretty good troubleshoot procedures
 
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StAugVol

Seaman Apprentice
Joined
Jan 12, 2003
Messages
45
Re: question about gauges...

try these threads<br /><br />Power trim & tilt July 23, 2002 <br />also, Joe Reeves, the OMC God, writes this test procedure in November 11, 2002 thread:<br />With the ignition key in the on position, run a small jumper wire from the "S" (sensor) terminal of the gauge to a ground. If the meter pegs full up, the gauge is okay and you have power to the gauge. In which case, the most likely suspect is the sender.<br /><br />To test the sender, trace the wires back from the sender to a plug in connector, and disconnect it. Hook up a ohm meter to the sender wires, set the meter to low ohms, then move the sender lever up and down. You should get a smooth movement on the meter with no dead spots or jerky movement.<br /><br />good luck
 
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