Question about 1994 Toyota Land Cruiser

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I have a 94 land cruiser. when I put the turn signal on all electricals shut down, engine still runs, no dash guages, no windows work. If you turn the car off it will not start. Let it sit for a while and everything comes back on.

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  • dann_stark Sep 30, 2010

    I pulled the flasher unit and it seemed to be OK. But no. It died again and now I have dash lights but as soon as I go to start everything goes out.

  • dann_stark Oct 01, 2010

    That was the 1st thing I did. I pulled and cleaned all grounds. I have read that the EFI relay has problems in some land cruisers. Do you have a wiring diagram for that curcuit, or could you tell me if that is in line with the dash gauges , turn signals, wipers, and power windows. These are all the systems that shut down. The hard part is that it doesn't blow a fuse, it re-sets it self after awhile. That is why I was leaning torwards a relay.



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The ground near the battery ner the battery is dirty broken or loose. sometimes when batteries are changed or the cables repaired the grounds are overlooked and left off the battery cable on the ground should not only go to the engine block but also to the front fender with a bolt that sometimes gets removed to allow the wrong battery to be installed and or to lenghten the cable to put on a different end. add another cable the goes from the battery ground to the fender and also the firewall and you will likly fix your problem. the engine is grounded good and there should also be a ground wire between the firewall and the engine to grorund the dsh board. If nessary find he grond wire connected under the dash to the fire wall add a wire and run it to the battery ground right on the battery.

Posted on Oct 02, 2010

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It is quite possible that the turn signal timer has some erros of a wiring short or a malfunction inthe unit( short )
It can be shorting into the corresponding circuit maybe at the switch point in the cluster control- multi switch or at the timer end of the unit where the switching takes place.
So you will have to remove the connection to the unit to confirm the fault in the first place.
It can be producing a stray signal to the ignition unit or the corresponding circuit that makes it irregular in the circuit.
Please disconnect the trun signal line or the fuse and check.Also please check the turn signal unit, disconnect and check.
If the fault clears off, the remove and check to replace the unit
please respond after checking on

Posted on Sep 30, 2010

  • Donald DCruz
    Donald DCruz Oct 01, 2010

    Please check the ground of the battery , must be very good, remove the battery terminals and clean and set back., check engine ground, chassis ground



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