Go Back   TeamTalk > Maintenance Tips, How-tos and Refurbishing Topics > Electrical

Thread Tools Display Modes
Old 04-02-2012, 12:15 AM
COSkier COSkier is offline
TT Regular
Join Date: Apr 2005
Boat: Mastercraft PS 197, 2003, LQ9
Location: Castle Rock, Colorado
Posts: 46
2003 PS197 Need Troubleshooting help

I have a 2003 PS 197 with LQ9 motor with a possible gauge/sensor/wiring issue. Here is what happens. When things are cold (first run of the morning) everything works fine, after the temperature gauge reaches 160ish, the temperature gauge quits working along with the tach and hour meter. Otherwise, the boat runs fine. The tach reading in Perfect Pass still works and so does PP. Here is what I have done so far:
1. Unplug temp gauge - tach and hour meter still quit working.
2. Unplug tach/hour meter - temp gauge still quits working.
3. Replace temperature sensor at front of motor - temp gauge/hr/tach still quit working.
4. Replaced MMDC - temp gauge/hr/tach still quit working.

Anyone have any ideas?
Does the LQ9 have more than 1 temperature sensor?
Does anyone have a wiring diagram?
I love my boat but this is driving me crazy.
Thanks for any help.
Reply With Quote

gauges, lq9

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

All times are GMT -4. The time now is 05:49 AM.