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The problem is a blown fuse or fuses. I guarantee it!
Do you need me to tell you which fuses? (besides checking all of them)?
Do the brake lights work?
The ECU IG 1 7.5 amp fuse in the drivers side junction block
The RAD 1 15 amp fuse in the drivers side junction block
Which accessory lights are not working? What other electrical components are not working?
There is a 15 amp STOP fuse that could have blown. It is located in the fuse block in the engine compartment left side
I suspect there are going to be a lot of fuses that are blown.
You can try to disconnect the battery cables from the battery for about 10 minutes and then reconnect them back up
If that does the trick, please dont forget to rate my answer as "excellent service".
If you still need more help after that, let me know so we can continue or I can leave this open for other experts to assist you.
The only thing I am aware of would be a blown fuse.
Your welcome. Let me leave this question open for other Toyota experts. Someone should be with you shortly.
Hello and welcome to just answer and allowing me to assist you. The fuse you are looking for is a high amp fuse or fuse link as some may call it . it will be under the hood and in one of the fuse blocks , the larger ones with clear windows .main or alt or both. these blow to save the rest of the circuit when that happens. I will include a pic of what your looking for . If you require further assistance I'll be happy to do so. the pics are of two different fuse links that may be in your fuse block that needs to be checked guaranteed it's one of those blown.
Just checking in to see how your coming along with your problem and if I can be of further assistance ? Or if your happy with my answer please rate me.
Thanx for getting back but it will be a fuse or fuse link, that's what is built into the system to protect major components. So if your satisfied all fuses big and small inside the cab and under the hood are ok there is built in harness fuse links attached to the battery cables . i'll give yo a pick of what to look for., also depending how long this was reversed foe the Ecu should be ok it's also protected by a diode b ut you may need to reset it by disconnecting the battery for a bout 10- 15 min and also if you have a code reader see if it set any pending codes . you may have to replace the battery wiring harness that contains those fuse able links I mentioned The ECU does not effect all those other systems you stated you have problems with, If you look at the battery cable ends that hook up to the battery you'll notice besides the heavy cable there should be other ones also those are the ones containing fuseable links that need to be replaced or checked.
just checking in to see how your doing/