Battery tender problem
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
new battery "last summer" does not equal "good battery"
check the fuse in your tender cable ( most tender "pigtails" have -and should have a fuse in them)
then checks are:
pull battery ( neg cable first- no sparks that way...and neg cable last on install)
charge battery with charger 2 to 3 amp charge rate for 12 to 20 hours)- then load test at dealer or autozone ( free)
check your cables are clean and tight ( both ends)
if all ok, reinstall and try again...if still flashing red then the tender could be bad.
mike
check the fuse in your tender cable ( most tender "pigtails" have -and should have a fuse in them)
then checks are:
pull battery ( neg cable first- no sparks that way...and neg cable last on install)
charge battery with charger 2 to 3 amp charge rate for 12 to 20 hours)- then load test at dealer or autozone ( free)
check your cables are clean and tight ( both ends)
if all ok, reinstall and try again...if still flashing red then the tender could be bad.
mike
Last edited by mkguitar; Jan 23, 2015 at 07:19 PM.
Grand HDF Member
Joined: Jan 2012
Posts: 4,428
Likes: 2,779
From: Oklahoma
Sometimes my tender gets off to a bad start and the red light flashes. I just unplug the power plug and reconnect, almost always get a normal indication in an hour or so. I have also cleaned the pig tail connections with Q tips and Brasso. An amazing amount of black gunk came out of each plug socket. Since cleaning the plugs, I almost always go to the green maintain light in a short time.
Seasoned HDF Member
Joined: Feb 2006
Posts: 6,678
Likes: 602
From: South Florida
[QUOTE=btsom;13628553]Sometimes my tender gets off to a bad start and the red light flashes. I just unplug the power plug and reconnect, almost always get a normal indication in an hour or so. I have also cleaned the pig tail connections with Q tips and Brasso. An amazing amount of black gunk came out of each plug socket. Since cleaning the plugs, I almost always go to the green maintain light in a short ti
Same solution,Tender has to have clean contacts to work properly
Same solution,Tender has to have clean contacts to work properly
Seasoned HDF Member
Joined: Apr 2006
Posts: 10,675
Likes: 95
From: Billings,Mt.
One of my tenders was working well then it started to flash red.
That one went in the garbage after I hooked up the spare one I had.
That one went in the garbage after I hooked up the spare one I had.
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Tourer
Joined: May 2013
Posts: 483
Likes: 0
From: Wisconsin
I broke one of the connectors putting everything back together one day. the next day plugged in the tender and got the same thing you did! had to buy one of these http://www.batterytender.com/Accesso...l-Harness.html
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Cruiser
Joined: Jul 2007
Posts: 167
Likes: 0
Wanted to thank everybody for the info. I was out of town got home and found the end of the tender had got against the pipe and melted down to the metal and blew the fuse. Put new cable on and everything is fine. Thanks again
