01-17-2016, 04:56 PM
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#1
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Senior Member
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Join Date: Jul 2013
Location: Tennessee
Age: 26
Posts: 2,852
Real Name: Charlie
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Senior Member
Join Date: Jul 2013
Location: Tennessee
Age: 26
Posts: 2,852
Real Name: Charlie
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OEM Denso Relay for Acc. Wiring
I just wanted to share my knowledge with y'all. I figured out the wiring for the small black relays found in our trucks. These are $2.75 at my junkyard each and are a lot cheaper than buying $10 Bosch relays.
They can handle at least 20 Amps- that's the most they are used in the factory fuse/relay box.
Here are some pictures of mine wired up: Chuckles' 98 Manual SR5 4Runner
I'll let the pictures tell the rest. I know my diagram isn't the most professional, but it will get the job done.
-Chuckles
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Quote:
Originally Posted by STX4Runner
90% of the build threads in the 5th Gen section consist of Fuel Wheels, Plastidip, Duratracs and window tint.
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1998 4Runner "Diamond" - Daily Driver (rolled & rebuilt) - 3.4 5-Speed, Coastal Bumper, Manual Hubs, 255/80r17 AT3Ws (409k+ Miles)
1997 4Runner "Becky" - Camping Rig - 3.4 Auto (for now), Armored, Cable E-Locked, Coastal Bumper, Sleeper Deck, 255/80r17 AT3Ws (185k+ Miles)
1989 4Runner | Tennessee 4Runner Group
Last edited by Chuckles89; 01-17-2016 at 04:59 PM.
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01-17-2016, 04:56 PM
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#2
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Senior Member
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Join Date: Jul 2013
Location: Tennessee
Age: 26
Posts: 2,852
Real Name: Charlie
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Senior Member
Join Date: Jul 2013
Location: Tennessee
Age: 26
Posts: 2,852
Real Name: Charlie
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reserved
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Quote:
Originally Posted by STX4Runner
90% of the build threads in the 5th Gen section consist of Fuel Wheels, Plastidip, Duratracs and window tint.
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1998 4Runner "Diamond" - Daily Driver (rolled & rebuilt) - 3.4 5-Speed, Coastal Bumper, Manual Hubs, 255/80r17 AT3Ws (409k+ Miles)
1997 4Runner "Becky" - Camping Rig - 3.4 Auto (for now), Armored, Cable E-Locked, Coastal Bumper, Sleeper Deck, 255/80r17 AT3Ws (185k+ Miles)
1989 4Runner | Tennessee 4Runner Group
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01-17-2016, 08:11 PM
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#3
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Elite Member
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Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,500
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Elite Member
Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,500
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You are really reinventing the wheel. The Denso Relays are just the ISO Micro version of the standard Bosch relay, about which there are lots of really good sites. It's just a slightly different pin format but all the principles are the same. Two coil pins, two normally open contact pins. A fifth normally closed contact pin can be added.
Here is the standard Bosch terminal labelling on the Micro ISO format:
Now you can use all the wiring diagrams on:
Single Pole Double Throw (SPDT), Single Pole Single Throw (SPST) Automotive Relays
Basic Car Audio Electronics
It is better to understand how all this works in the language and format that everyone in the field uses than to start something new and you won't get lost the first time you see a full size Bosch relay.
__________________
'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
Last edited by TheDurk; 01-17-2016 at 08:22 PM.
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01-17-2016, 08:20 PM
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#4
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Join Date: Dec 2013
Location: SF Bay Area California
Posts: 2,764
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Senior Member
Join Date: Dec 2013
Location: SF Bay Area California
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Quote:
Originally Posted by TheDurk
You are really reinventing the wheel. The Denso Relays are just the ISO Micro version of the standard Bosch relay, about which there are lots of really good sites. It's just a slightly different pin format but all the principles are the same. Two coil pins, two normally open contact pins. A fifth normally closed contact pin can be added.
Now you can use all the wiring diagrams on:
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^^^^^^^^^
DUDE!! thank god for this guy. seriously
i had/have the same exact question that i was afraid to ask... but couldn't understand/find the info for the PINS to treat this OEM relay as a typical relay
. . .
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1998 Desert Dune Toyota 4runner Limited 4x4 w/ factory e-locker
2000 BLACK Toyota 4runner Limited 4x4 w/ factory e-locker Build Thread
2002 Thundercloud Metalic Toyota 4runner Limited 4x4
Build Thread
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01-17-2016, 08:21 PM
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#5
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Senior Member
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Join Date: Jul 2013
Location: Tennessee
Age: 26
Posts: 2,852
Real Name: Charlie
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Senior Member
Join Date: Jul 2013
Location: Tennessee
Age: 26
Posts: 2,852
Real Name: Charlie
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My only experience with Bosch style relays is with a larger one. I didn't know there was a Micro ISO one. Thanks for the info; I'll look into them some more.
I just wanted to let everyone know that they could use these cheap and readily available high quality Japanese relays instead of crappy Chinese ones or buying a $10 genuine Bosch.
__________________
Quote:
Originally Posted by STX4Runner
90% of the build threads in the 5th Gen section consist of Fuel Wheels, Plastidip, Duratracs and window tint.
|
1998 4Runner "Diamond" - Daily Driver (rolled & rebuilt) - 3.4 5-Speed, Coastal Bumper, Manual Hubs, 255/80r17 AT3Ws (409k+ Miles)
1997 4Runner "Becky" - Camping Rig - 3.4 Auto (for now), Armored, Cable E-Locked, Coastal Bumper, Sleeper Deck, 255/80r17 AT3Ws (185k+ Miles)
1989 4Runner | Tennessee 4Runner Group
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01-18-2016, 09:25 AM
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#6
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Elite Member
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Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,500
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Elite Member
Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,500
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Well, to increase your junkyard joy, here is a list of 126 make/model cars of many years that use this relay:
NAPA AUTO PARTS
[not sure the link will work like I hope it will...]
I would be reluctant to use a 15-year old relay from any high cycle duty usage as a replacement in any mission critical application such as fuel pump or EFI. Use a new Toyota or Echlin from NAPA. Or, if you are really cheap, use one of your other existing relays from lighting or HVAC and swap the JY relay there.
__________________
'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
Last edited by TheDurk; 01-18-2016 at 09:34 AM.
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01-18-2016, 12:59 PM
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#7
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Senior Member
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Join Date: Dec 2013
Location: Covina, CA
Posts: 2,301
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Senior Member
Join Date: Dec 2013
Location: Covina, CA
Posts: 2,301
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Quote:
Originally Posted by TheDurk
You are really reinventing the wheel. The Denso Relays are just the ISO Micro version of the standard Bosch relay, about which there are lots of really good sites. It's just a slightly different pin format but all the principles are the same. Two coil pins, two normally open contact pins. A fifth normally closed contact pin can be added.
Here is the standard Bosch terminal labelling on the Micro ISO format:
Now you can use all the wiring diagrams on:
Single Pole Double Throw (SPDT), Single Pole Single Throw (SPST) Automotive Relays
Basic Car Audio Electronics
It is better to understand how all this works in the language and format that everyone in the field uses than to start something new and you won't get lost the first time you see a full size Bosch relay. |
The12V.com is my friend!
__________________
1989 FJ62 5.3 Chevy, FZJ80 Axles, 4.88's with ARB.
2000 2wd runner, 4 cylinders, yes it IS slow.
1999 4WD SR5 Desert Dune 3.4 351K and counting.
2000 4WD sport 3.4 Elocker <--My son's but I still end up paying.
2001 2WD SR5 3.4 <-- My daughter's...see preceding line.
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