QuestionMy 1990 toyota 4runner, V6, 4wd, automatic transmission, with 160K miles has an intermittent starter problem. I have put a new batter along with two new starters and this problem still exists. I have tested and checked all batteries and starters and they all tested GOOD!
there is no pattern to this starter problem other than when the 4runner has been running for a little while and you stop and park the car for more than 15minutes it will not start. I only get a clicking sound coming from the computer located in the cab. If I wait for 10 minutes or so It will start up perfectly as if there was no problem. It seems to be a temperature/resistance problem in the wiring of this starter circuit. I understand this is a common problem with these 4runners. How do I approach and solve this problem??? Many thanks Anthony
Answer
relay wiring
Hello, I had this same problem when I owned my 1990 4runner, after trying many things someone told me about a simple fix, quite a few people have inquired to me about this and it worked for me as well as others. It involves installing an extra relay and some associated wires,
I'm going to attach a diagram that you can use, be sure to use heavy wire (10 gauge) between the positive side of the battery and the 30 terminal on the relay, use 14 gauge for all others, the relay is a simple universal relay available at most autoparts stores, make sure the numbers on the bottom match.
Let me know if you have any questions
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