GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Trunk light not working. Fuses OKAY.

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Old 08-29-18, 10:10 PM
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n1ck
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Default Trunk light not working. Fuses OKAY.

Sup guys, trying to figure out this light problem. Tried searching but I had little luck. I found these but I'm not quite sure what I'm looking at unfortunately.
Originally Posted by rkw77080
Here you go...
​​​​​​

I changed the bulb many times, checked connector... Checked fuses 25, 31, and 32. What else should I check or where would I find a wiring diagram for the trunk light? I believe it's on the same loom as the non-spoiler 3rd brake light.
Having no truck light sucks lol

Thanks.
Old 08-30-18, 12:05 PM
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Mike246
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Hmm. No trunk light, eh. Time has come to ditch it and think about buying something else. I remember the anguish when my ashtray light started to fade.

You need to look at the trunk light switch which is in series with the lamp and be careful because this is not ignition-switched. I looked for mine on reading your post but could not find it. There is also a forward-biased diode which is part of the 'door open' detection system.

If you want to PM me I can send you the relevant Lexus wiring diagram.
Old 08-30-18, 03:44 PM
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n1ck
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Thanks for the help man. I wanted to run some LED strip lights and tap them off the existing wiring but, assuming there is no power going to the connector (haven't gotten a chance to actually check it with a multimeter), it obviously won't work.

The only other thing I could think to do is follow the wires from the light to wherever it ends and check for breaks.

PM'd. I appreciate the help.

Last edited by n1ck; 08-30-18 at 03:48 PM.
Old 08-31-18, 05:49 AM
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airahcaz
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I've read somewhere that the trunk light only comes on when opening with the key fob...
Old 08-31-18, 06:31 AM
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captainva
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It comes on any time the trunk is open in my 2002 GS300 regardless of how its opened
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