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Is there a reverse light relay on 1st gen 4Runners?

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Old 01-22-2012, 06:29 PM   #1
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Is there a reverse light relay on 1st gen 4Runners?

I have an 86 4runner 22RE, 5spd. Is there a back up light relay on these? If so, where is it located?

Any pics or links also appreciated.

Thanks!

**Further clarification. My reverse lights haven't worked since I bought my runner. I've been consumed with other repairs and racing against constant rain and limited daylight in the evenings so I haven't had time to do any troubleshooting. The bulbs were good so I thought I'd just throw in a new reverse switch on the tranny tonight, that's always done the trick for me in the past. It had no effect. Still no backup lights.**

Last edited by stanz; 01-22-2012 at 10:23 PM.
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Old 01-23-2012, 01:10 PM   #2
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No relay. There's a switch on the side of the transmission.

You replaced that, so check your wiring.

I would've suggested checking the bulbs too, but you say they're okay: you've put them in the turn signal spot, right?
You checked the grounds from the sockets?

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Old 01-23-2012, 01:30 PM   #3
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x2 on the wiring, also check your bulb sockets for corosion, seems to be a common issue with these older trucks!

Stanz, any luck with the speedo needle swap? Prob not on your priority list, but it will keep ya out of the rain!
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Old 01-23-2012, 04:07 PM   #4
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Thanks guys I'll try to take a look tonight.

No luck on the needle swap yet. Had to focus on other issues this weekend.
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Old 02-04-2012, 11:12 PM   #5
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Resolved! Turns out the feed for the reverse lights plugs into a harness near the starter. For some reason it was unplugged. Once plugged in the lights came on.
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Old 02-06-2012, 02:45 PM   #6
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If you meant the plug which goes to the reverse switch on the transmission comes out of the harness near the intake and starter, yep. There's also a plug that goes to the transfer case to indicate 4WD in the same harness.

But, you figured it out.
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Old 02-07-2012, 07:59 PM   #7
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Yes. that's the plug. I did see that the wiring does go on to feed the 4wd indicator as well.

Regarding that harness near the intake and starter... that receptacle there has a sibling plug joined to it. I currently don't have anything plugged into that either. I noticed that the wiring is a lower guage (thicker) with at least of the wires being black with a white stripe. Any clues as to what that's used for?

My rig has several harness plugs dangling unused under the hood that I'm curious about.
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Old 02-08-2012, 05:13 PM   #8
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color codes of the wires would help, photo's too.
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Old 02-08-2012, 05:38 PM   #9
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Sure. Here are some pics:

Pic of the sibling plug (circled in red) alongside the reverse light and 4wd indicator harness plug:



I'm also curious about what this plug (circled red) is for on the ds inner fender well:


One last one - this is just dangling above the starter by it's wires. Clearly someone's been into it before, it has several aftermarket crimp on connectors:

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Old 02-08-2012, 05:50 PM   #10
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Quote:
Originally Posted by stanz View Post
I'm also curious about what this plug (circled red) is for on the ds inner fender well:
Fuel pump test jumper:
- http://www.4crawler.com/4x4/CheapTri...shtml#FuelPump

Red circle:
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Old 02-08-2012, 06:12 PM   #11
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Thanks 4Crawler! One down, two more to solve.
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1st, 4runner, 86, 87, back, backup, gen, generation, light, lights, relay, revers, reverse, switch, toyota

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