Just use a standard Bosch-type relay. Super cheap and common. Historically, I've harvested them from Isuzu SUVs.
22RE No start - COR? Confirm diagnosis.
- Thread starter jgranthevagrant
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- #22
Snowed 30 cms here today, so spent 2 hours moving snow. Also went to 2 auto parts stores on the way home. Only one had a 12v relay. Pico brand, and it had 5 pins. Wreckers with Isuzus will be under snow for a while, so I will look on Amazon etc. Also saw the Painless kit linked on 4Crawler. Will try to get back to it on the weekend.
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- #23
I have a few fuse holders and lots of wire. You added this between the start battery and the relay above the driver's side fuseblock in the kick panel area? Mine is a 1990. I also have quite a few old relays around, including the original green start relay, but they might be of dubious quality. I guess I can test them by applying voltage to one side and they should click.
Dang, should not be that hard to find. I would give you a few if you were closer. Do you have an electronics store near you?
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The issue with some of these trucks (mine included) is not the relay itself but the wiring going to and from the ignition switch. There is some kind of factory flaw that exposes itself over time. The fix is to add 12v directly to one of the wires on the relay bypassing all the voltage drop. My start relay is on the passenger fender well near the wiper motor. Let me see if I can find the thread
22re No start/ click only problem - YotaTech Forums
86-95 Trucks & 4Runners - 22re No start/ click only problem - This is another issue I'm having. About once a week I go to start my truck and I'm greeted by a click. Usually after a couple attempts it will start and I won't have another issue for a week or two. I'm on my third starter ( lifetime...
www.yotatech.com
Looks like your 1990 model isn’t under the list of models that is affected but I would try it out
You can also bypass your factory relay all together and go with the aftermarket relay like pappy has mentioned. It sounds like you’re on the right track with the starter relay being the issue
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- #28
@pappy. I forgot to post reply yesterday. It's a pretty small area. There is supposed to be two in the next town over, just haven't made it out of work in time to get there. I drive past two automotive stores every day, so went there first. Looking like a weekend thing or longer, now that snow is here. Daily driver Toyota Echo is throwing codes today, so it is the new priority.
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- #29
From what I'm gathering, I have to take part of the dash apart to look at the ignition switch and wiring, no matter what I do. Lots of components in the starting circuit are new, so I'm starting to suspect the wiring, voltage drop, etc. Disappointed to not find a "smoking gun" type failure so far. Spent tonight putting new spark plugs in the Echo so I can get to work. Echo might need further work, too, as it is throwing a code for Idle Air Circuit or something. We got 30 cms of snow this week, which means a mess and a pretty cold garage. Hopefully I get a look at the truck on the weekend.
Did you read through that thread I posted? When your truck acts up, are you able to apply 12v directly to the starter signal wire to get it to crank? That’s how I was starting mine for a few months before I fixed the issue. It would only do it once in a while.
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- #31
Yes, I have been doing that for a few months (Starter signal wire jumped directly to battery. Truck must be in neutral). I read through most of that thread last night. Will check my FSM and wiring to see if I am one of those trucks. Would not surprise me, based on the symptoms. Truck is a Canadian truck, which will have fewer people checking that wiring issue. Was also surprised as to how prevalent the issue was. I had no idea. I have not had much time on it this week, due to Echo throwing Idle Air circuit or valve code. Need to be able to get to work to buy parts for the truck! I will get out the multimeter on the weekend and start poking around. Will be a struggle as the starter relay is buried up under the left side of the dash and it is below zero in the garage. I will also be pursuing Gnob and Pappy's suggestions re alternate wiring. I have lots of old relays for testing and I can get a new one fairly easily.
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- #32
Got back to the truck today a bit. Mostly because I broke the spare throttle body for the Echo. Re-installed dash pot (with M5 allen head screws). Got dark and cold so went inside for computer work. Compared my FSM with Gnob's diagrams and what I can see in the Yotatech threads. If my FSM is correct, then power runs through ignition switch to both terminals on the starter relay, which is no good for the longevity of the switch. Will try to get out there again tomorrow to see if the truck wiring matches the FSM.
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- #33
Got an hour on it today before dark. Checking grounds etc and trying to access wires to starter relay for more testing. Noticed the clutch start switch was out of alignment, and the bracket is bent. Tried to straighten it and made it worse, and the switch itself is sticking, so I pulled it and jumpered the two pins with a jumper I made a few months ago. Plugged everything back in and it started really well. I usually don't use the truck much in winter, so I might not get back to the start issue until spring. Poking around, I couldn't tell if the system matches the FSM or not. Need to move the daily vehicles into the garage to avoid snow, so truck will get parked for a while. Definitely never travelling without a long chunk or wire to jumper the starter directly if need be. Thanks for the help from Gnob, Pappy and Toast. I suspect my AM1 wire goes through the start switch, so I will change that around at some point.
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- #34
Reviving my thread now that snow is mostly gone. Truck still has starting issue. I am currently digging into the starting circuit trying to trace wiring fault. Super hard to access the starter relay in the driver's kick panel, so I am trying to gently pull the junction block that it is attached to. Bolt at bottom is out. Seems like clips hold it in at the top, but won't come out. No top bolt indicated in wiring diagrams. Anybody know the trick for pulling this?
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- #36
Been trying that, and the white plastic above left of your finger. Will try some more. Just don't want to break stuff, which is my usual MO.
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- #38
Got it. Thanks Gnob. Una cerveza para ti. Now just trying to pull the relay holder off. Almost as much fun.
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- #39
Got relay holder off too. Wires to holder look ok. Will try to check ignition switch also, but it is relatively fresh - Replaced with OEM less than 5 years ago.
I recently had a similar struggle getting that off so I could get the flasher relay off. WTF 
I wish Toyota put that stuff where you can get to it.
Sorry to high jack. Your post "triggered" me. I hope you get it figured out.
I wish Toyota put that stuff where you can get to it.Sorry to high jack. Your post "triggered" me. I hope you get it figured out.
