oil temp guage question..
Thread Starter
|
Cruiser
Joined: May 2007
Posts: 172
Likes: 0
From: Anderson, SC
oil temp guage question..
Is the HD fairing mount guage sending unit a commonly available part or do you have to buy the guage kit? While riding this weekend i noticed my guage was erratic. would read 190-200 then peg out at over 300. then drop back to 190-200. I think a poor ground would make it read low. for it to go high, I think it would either be a bad sending unit, shorted leads or guage circuit board. wiring seems to check out. thought I would try a sending unit. Hoping on finding one at a local auto Parts. Any ideas?
Intermediate
Joined: Aug 2005
Posts: 48
Likes: 0
From: East Hampton, CT
Sorry for resurrecting this old thread, but I need help on this issue. I have traced the root cause of my instrument fuse popping to the oil temperature gauge. No w I have had this installed for over 7 years and 70+K miles with no issue. I used the positive supply the air temperature gauge to power the oil temperature gauge. 10 minutes of riding the oil temperature gauge will not move from cold. Approximately 20 minutes into the ride my temperature gauge reads almost 350F! I know I’m not running that hot. I verified the actual temperature with hand held Infer Red temperature gauge. The back of the gauge does show signs of corrosion. Exposed circuit board design doesn’t help.
I have the sensor located in one of the oil hoses (per original HD instructions) and not in the oil pan.
Is there a procedure to check the temperature sensor? What resistance should I see at 212F?
I have the electrical diagnosis manual and there is nothing listed for the oil temperature gauge. What a waste of money!
I have the sensor located in one of the oil hoses (per original HD instructions) and not in the oil pan.
Is there a procedure to check the temperature sensor? What resistance should I see at 212F?
I have the electrical diagnosis manual and there is nothing listed for the oil temperature gauge. What a waste of money!
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
My buddy had the sending unit mounted in a hose as per the instructions, coincidentally it was after the thermostat in the cooler adapter, so his would read "0" until the thermostat opened and then it spiked up. Your 350 value sounds like you might have something else going on. Pull the sender, make some jumpers to extend the wire long enough so you can heat a small pan of oil with a hot plate in close proximity to your bike. Use a seperate turkey fry thermometer or similar, hang the sending unit in the oil so the wires dont get submerged, heat up the oil turn on the switch and check your gauge. Not to insult your intelligence, but double/triple check the wire sheathing in the circuit before you do all that.
Thread
Thread Starter
Forum
Replies
Last Post
