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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Truck- Starter/Battery help
I'm having very intermittent lack of starter rotation on a Toyota
T-100. Over the last 14 years I have replaced the contacts it the solenoid and more recently (1 to 2 years) replaced the starter. For trouble shooting I have a meter with one lead connected to the bolt on the solenoid and the other to the frame. The plan is; if I can get it to malfunction while trying to start it and the voltage on the solenoid is 13.7v vs 10.7 then I know the solenoid contacts didn't connect (if they clicked) or the starter is open (less likely). If the solenoid clicks and the voltage drops to a low value then I probably have a bad connection in the wiring. So far I have engaged the starter 25 times without malfunction. Letting things cool, then I'll try again, if I hit 100 my work is done for this go round! Question 1) The battery voltage sets at 12.7, when I energize the starter it drops to 10.7. Is that a normal voltage under starter load? Question 2) In the old days, you could remove the coil wire to run a starter without starting the motor. How do you disable the spark on these newer vehicles without a distributor cap? (newer 1997) :-) Mikek |
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