Top warning light on DTC B1777

High_Octane · 06-23-2016, 04:28 AM

Alright, here is an update.

After much checking, I confirmed my defogger is dead. Likely some of the lines are broken (can't be seen visually though). I don't use the defogger though, so my first solution was to disconnect the wires to the rear window.
This does not work! It seems the Soft Top Control Module will check for continuity.
Ended up wiring a bypass wire with a resistor and that solved my problem.

So to all roadsters, if your rear defogger decides to die on you, it will keep your soft top light lit.

OldGuyFla · 06-23-2016, 09:09 AM

Quote:

Originally Posted by High_Octane

Alright, here is an update.

After much checking, I confirmed my defogger is dead. Likely some of the lines are broken (can't be seen visually though). I don't use the defogger though, so my first solution was to disconnect the wires to the rear window.
This does not work! It seems the Soft Top Control Module will check for continuity.
Ended up wiring a bypass wire with a resistor and that solved my problem.

So to all roadsters, if your rear defogger decides to die on you, it will keep your soft top light lit.

Nice little fix, way to go.

Bummer · 06-23-2016, 07:18 PM

Quote:

Originally Posted by High_Octane

Alright, here is an update.

===8<---

So to all roadsters, if your rear defogger decides to die on you, it will keep your soft top light lit.

Thanks for the info. Filed for future reference.

06-23-2016, 04:28 AM	#1 (permalink)
High_Octane Base Member Join Date: Jul 2013 Location: Singapore Posts: 44 Drives: 11 Nissan 370Z PW M6 Rep Power: 3387	Alright, here is an update. After much checking, I confirmed my defogger is dead. Likely some of the lines are broken (can't be seen visually though). I don't use the defogger though, so my first solution was to disconnect the wires to the rear window. This does not work! It seems the Soft Top Control Module will check for continuity. Ended up wiring a bypass wire with a resistor and that solved my problem. So to all roadsters, if your rear defogger decides to die on you, it will keep your soft top light lit. Bummer, blueranger, Defib and 3 others like this.

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