Question about 1991 Lexus LS 400

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'91 LS400, trunk will not open. key will not turn, electric latch switch clicks but won't open. valet lock in open position. Tried 1) disconnect battery, reconnect battery, use switch, push down on trunk and then pull up 2) locked valet button and reopened 3) key in trunk lock but won't turn in either direction 4) 2nd person held switch open while I pushed and pulled on trunk 5) sprayed WD40 in lock key hole several times. Nothing has worked so far. Taking out back seat doesn't seem to be option. Read a post where guy drilled 3/4" hole behind license plate to gain access to cable but not ready to do that yet. Any other ideas???

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If you hear the sound of the electric latch switch, then it's working but stuck somehow. Just put the key in the switch and turn it to the right and then pull up the trunk or ask someone to help you. it will open. I tried it today and it opened with me. It was stuck from inside by some kind of a broken plastic pieces. Just removed it and now it's working fine. good luck

Posted on Jun 10, 2011

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Phase 1: First check the fuse - once you know that's OK, then proceed to phase 2 (below).
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