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Basscat Trailer - No lights at all working
#11382064
01/31/16 04:24 PM
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Joined: Jul 2007
Posts: 50,933
Trickster
OP
Super Freak
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OP
Super Freak
Joined: Jul 2007
Posts: 50,933 |
From Basscat discussion - Wiring diagram
Right Turn Green Left Turn Yellow Ground White Tail / Marker Brown (Mine has 2 of these, 1 to each side I assume)Tail lights Reverse Blue My issue is nothing at all works. I have verified with truck lights on 12 volts is present on one of the Tail/Marker Brown wires at the plug so I think the plug on the trailer is good at that point. But there is no 12 volts at either tail light.
I don't think this is a ground issue but have not 100% verified this.
When I unplug both tail lights with the trailer plug not plugged in I am seeing 0 ohms across Ground and the Tail/Marker Brown wires on both sides. I don't think this should be happening.
Any advice.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382071
01/31/16 04:30 PM
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Joined: Oct 2012
Posts: 25,348
ReelBusy
TFF Guru
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TFF Guru
Joined: Oct 2012
Posts: 25,348 |
Are you saying you are removing the bulb and still getting zero ohms?
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382078
01/31/16 04:34 PM
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Joined: Jul 2014
Posts: 1,833
Westtex
Extreme Angler
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Extreme Angler
Joined: Jul 2014
Posts: 1,833 |
Ground. Drive around the block and recheck
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382079
01/31/16 04:35 PM
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Joined: Mar 2008
Posts: 61,064
LoneStarSon
Private Dancer
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Private Dancer
Joined: Mar 2008
Posts: 61,064 |
Try putting a penny on the flat part of the ball and then put the trailer hitch down on to it. If it works, you have a ground issue.
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Re: Basscat Trailer - No lights at all working
[Re: ReelBusy]
#11382088
01/31/16 04:46 PM
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Joined: Jul 2007
Posts: 50,933
Trickster
OP
Super Freak
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OP
Super Freak
Joined: Jul 2007
Posts: 50,933 |
Are you saying you are removing the bulb and still getting zero ohms? Removing the tail light assembly which includes all bulbs. I don't see why there would be a short between ground and the wire the supplies voltage to the tail lights.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382101
01/31/16 04:55 PM
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Joined: May 2013
Posts: 446
MarcM64
Angler
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Angler
Joined: May 2013
Posts: 446 |
Try running a separate wire to any of the lights and see if they work that way... That would eliminate the trailer wiring! If you had a direct short somewhere, it should blow a fuse!
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382108
01/31/16 05:03 PM
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Joined: Oct 2012
Posts: 25,348
ReelBusy
TFF Guru
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TFF Guru
Joined: Oct 2012
Posts: 25,348 |
Are you saying you are removing the bulb and still getting zero ohms? Removing the tail light assembly which includes all bulbs. I don't see why there would be a short between ground and the wire the supplies voltage to the tail lights. Are the running lights disconnected too? Might be reading through those on the brown wire. Take your jumper cables and put them between the trailer frame and truck chassis.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382112
01/31/16 05:05 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
check for a white wire, this is your ground, may have come loose.
power to plug but not lights is normally a ground.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382114
01/31/16 05:06 PM
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Joined: Feb 2015
Posts: 4,724
Flippin-Out
TFF Team Angler
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TFF Team Angler
Joined: Feb 2015
Posts: 4,724 |
Duh! You have marker lights on each side of the trailer. Those bulbs have elements. Those elements will cause your measured "short" between the tail lead and GND. Unplugging just the tail lights to do a check-for-shorts test is invalid.
When you say NOTHING works then I immediately reach one of two conclusions:
1) Something is wrong on the vehicle, possibly related to isolation circuits for the trailer lamps. If you have verified that you have a live circuit at the connector, then this obviously isn't the case.
2) You have an open connection for the return (GND) circuit.
I opt for #2 as it seems you did do a check on the connector. You have no GND connection for the trailer. Tell me about the white wire on the connector. Is it connected on the vehicle? When you checked for 12V on the brown wire at the truck connector, did you put the - terminal of your test light (or voltmeter) on the connector terminal for the white wire?
On the trailer side, is the white wire connected to the trailer frame? If it is, remove the screw and use sandpaper to clean the ring terminal and the frame, reconnect, test again. If it is not connected, that is your problem. Trailer balls do not make good circuits between truck and trailer frame.
Last edited by Flippin-Out; 01/31/16 05:09 PM.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382190
01/31/16 06:34 PM
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Joined: Oct 2008
Posts: 100
M.Matthews U.S.N. 1963-1967
Outdoorsman
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Outdoorsman
Joined: Oct 2008
Posts: 100 |
What kind of tow vehicle do you have? I had the same problem with my trailer, been towing it for 8 years with my 08 dodge,come to find out they have a separate trailer fuse.
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Re: Basscat Trailer - No lights at all working
[Re: Flippin-Out]
#11382202
01/31/16 06:45 PM
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Joined: Jul 2007
Posts: 50,933
Trickster
OP
Super Freak
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OP
Super Freak
Joined: Jul 2007
Posts: 50,933 |
Duh! You have marker lights on each side of the trailer. Those bulbs have elements. Those elements will cause your measured "short" between the tail lead and GND. Unplugging just the tail lights to do a check-for-shorts test is invalid.
Was not aware of that. Thanks.
2) You have an open connection for the return (GND) circuit.
I opt for #2 as it seems you did do a check on the connector. You have no GND connection for the trailer. Tell me about the white wire on the connector. Is it connected on the vehicle? When you checked for 12V on the brown wire at the truck connector, did you put the - terminal of your test light (or voltmeter) on the connector terminal for the white wire?
On the trailer side, is the white wire connected to the trailer frame? If it is, remove the screw and use sandpaper to clean the ring terminal and the frame, reconnect, test again. If it is not connected, that is your problem. Trailer balls do not make good circuits between truck and trailer frame. It is a ground issue. The ground from the connector was screwed to the bottom of the actuator on the swing away tongue. I have ground to the actuator. I think the overall ground is counting on the main bolt of the swing away tongue to make good contact. I have ground from this bolt all through the trailer but not from the actuator to the tongue bolt. I am going to remove the bolt and clean everything to see what happens. I may even run another ground wire through from the actuator though the tongue and drill a hole in the frame to attach the ground.[b][/b]
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382268
01/31/16 07:47 PM
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Joined: Feb 2015
Posts: 4,724
Flippin-Out
TFF Team Angler
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TFF Team Angler
Joined: Feb 2015
Posts: 4,724 |
You are on the right track. That bolt for the swing-tongue is a rust magnet that will interrupt GND. Do the jumper to main frame as you described and you won't have any future issues.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11382337
01/31/16 09:08 PM
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Joined: Jul 2007
Posts: 50,933
Trickster
OP
Super Freak
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OP
Super Freak
Joined: Jul 2007
Posts: 50,933 |
Done, Thanks for the advice.
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Re: Basscat Trailer - No lights at all working
[Re: Trickster]
#11423028
02/18/16 07:09 PM
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Joined: Jul 2014
Posts: 757
Mike Yeager
Pro Angler
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Pro Angler
Joined: Jul 2014
Posts: 757 |
If I was guessing, you have a ground issue.
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Re: Basscat Trailer - No lights at all working
[Re: Mike Yeager]
#11429959
02/22/16 12:43 PM
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Joined: Sep 2008
Posts: 5,143
glenls
TFF Celebrity
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TFF Celebrity
Joined: Sep 2008
Posts: 5,143 |
If you're driving a Dodge Ram 3500 , couldn't get fire to back left stop and blinker lights, something went haywire with fuse box and they have to replace something there EPM or ECM. Should have been a recall but wasn't. They said they (Dodge) have replaced millions on older Dodge trucks.
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