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-   84-85 Trucks & 4Runners (https://www.yotatech.com/forums/f115/)
-   -   Wiring (https://www.yotatech.com/forums/f115/wiring-304044/)

reelal 04-12-2018 11:40 AM

Wiring
 
Hi guys Reelal here, today my 85 4runner quit running with ign. switch in run position, will start and run in crank position. I need wiring diagram so as to troubleshoot problem and my fuse box covers are gone as well, need pic of fuse positions, sure would love some help how bout it. Thanks in advance.

skypilot 04-13-2018 05:43 AM

FSM search on ebay is your best bet.

thefishguy77 04-13-2018 09:03 AM

About 2/3rds down the page

https://www.autozone.com/repairinfo/...00c1528004d7c3

reelal 04-13-2018 09:49 AM

Thanks Fishguy, Now lets see if I can get'er goin.

RAD4Runner 04-13-2018 11:58 AM


Originally Posted by reelal (Post 52395892)
Hi guys Reelal here, today my 85 4runner quit running with ign. switch in run position, will start and run in crank pos...
​​​.

Has COMBUSTION when ign is held in start pos but dies when sw is released, correct?
22RE? Look for fuel pump check connector, short FP to B pin. Also search how Circuit Opening Relay works on my thread.

reelal 04-14-2018 03:57 PM

OK, I unpluged the TPS and the engine started and ran. Cleaned the plug and connector with contact cleaner, used dielectric grease on both pluged up TPS and all is well. Then did the same on igniter connectors and dist. connector. It is running. Thanks again guys.

thefishguy77 04-15-2018 06:23 AM

Good follow up. Nice work.

Co_94_PU 04-15-2018 08:43 AM

So.. Shorted five volt vref in the tps harness probably. Which means when it tried to change from the start to run condition and didn't get ignitor feedback IGf (iirc) it wasn't sending IGt.


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