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Thread: Standard to LE (add tach) and LE to standard cluster swaps

  1. #21
    Van Fan ShapeShifter's Avatar
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    Re: Tachometer Upgrade?

    Quote Originally Posted by bikerjosh View Post
    Here is the diagram I PM'd you about.
    Hey thanks for posting this! I hope I can put it to use. I haven't looked yet but others have said it may be completely different from the two I have

    -

    I'm a little discouraged but I guess this is how this van is going to be. The main reason I wanted to tear the dash apart was to get to the driver side washer nozzle that has broken off and squirts straight out in front of the van. Hilarious when parked at a cross-walk, but useless for the Colorado winter road spray.

    I figured while Im taking the cluster out to reach the back of the nozzle, I would swap to a tach cluster. Well, the washer nozzle is hidden behind a secret, nearly inaccessible panel that looks like a major disassembly of the entire front end to get to. I am more than capable of doing this but is far more than I wanted to tackle.

    To this Im sure someone will say, "Welcome to the van club". Id rather you hit me in the face with a bat.

  2. #22
    Van Enthusiast bikerjosh's Avatar
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    Re: Tachometer Upgrade?

    yeah, I've read about the odyssey to get to the windshield sprayers. Reminds me of the times I was at junk yards and either saw 'hood won't open' sprayed on the front of the van or the front sheet metal cut out from someone trying to get a part from under the dash in about an 1/8th of the time.
    Here are the two pages of my 87 service manual that I got the data from. I was going from 87 non-tach 4wd cluster to 87 tach 4wd cluster.Name:  IMG_0707.jpg
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    1987 4wd 5spd Cargo van (uncut)-modding in 3,2,1

  3. #23
    Van Fan ShapeShifter's Avatar
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    Re: Tachometer Upgrade?

    Slowly getting to it. I have an 87 FSM , and an Electrical book too. Ill delve in to them once I get the washer thing fixed.

    For fun, here are what I have: Top is '88 5 speed cargo 4WD, bottom is unknown cluster from ebay. Only listed with a range of years. It has a tach but no idea if it was manual, auto, LE, 2WD, etc.


  4. #24
    Van Enthusiast bikerjosh's Avatar
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    Re: Tachometer Upgrade?

    If you take a pic of the fronts it should be pretty easy to tell AT/5spd 4wd vs 2wd etc-Josh
    1987 4wd 5spd Cargo van (uncut)-modding in 3,2,1

  5. #25
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    Re: Tachometer Upgrade?

    My '88 5 speed 4x4 is on the top. Mystery cluster on the bottom. Any ideas what it's out of? It looks alot like the one in the '87 FSM.




  6. #26
    Van Enthusiast bikerjosh's Avatar
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    Re: Tachometer Upgrade?

    Lower one is from a 2wd AT equipped van, LE likely. IMO
    1987 4wd 5spd Cargo van (uncut)-modding in 3,2,1

  7. #27
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    Re: Tachometer Upgrade?

    If you really wanted to know what it is from, shine a flashlight into the idiot light holes and note what "warnings" are indicated.
    But it really doesn't matter what its from and for what its worth, mine looked exactly like the manual too.
    (automatics have an overdrive light, 4wd auto's have a trans temp light + O/D light, not sure what other differences there are)

    That said, the only thing that matters is the icons on the printed circuit board, if you map the wires associated to the plugs, you will find out what wires have to move to new positions. Once that is done, clean the pack inside and out, replace all the bulbs and install.

  8. 09-29-2018, 03:43 PM


  9. #28
    Van Fan ShapeShifter's Avatar
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    Re: Tachometer Upgrade?

    I'm not sure what I'm doing wrong but its not working. As soon as I connect the battery, the check engine light comes on even without the key in. I also started the engine and the tach is no go. I ran the tach wire to the C-8 pin per manual, but the icon is not IIA, its IG-. I don't see an IIA icon on my new cluster.

    I did everything slowly and carefully and double and triple checked everything. Any ideas?





  10. #29
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    Re: Tachometer Upgrade?

    It's been a long time, but I remember similar issues.

    For what its worth, I found some notes.
    These were the changes to the harness plugs for the new pack:

    A6 (Seat belt warning) From B6
    A7 (Oil Press) New wire from New sender

    B1 (water temp) From C8
    B4 (charge) From B5
    B5 (Ign) From B4
    B7 (efi ecu) From B1
    B8 (Dome) From B7

    C3 (door courtesy) From B8
    C4 (fuel warning) From C3
    C5 (rad warn) From C9
    C6 (gauge) From C7
    C8 (IIA) New wire from dist
    C9 (light rheostat) From C10

    D1 (oil level) From B3

  11. #30
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    Re: Tachometer Upgrade?

    That's identical to what I have. sigh... I guess Ill check the wires again in the morning.

    Do you also have the CEL light up on its own before you figured it out?

  12. #31
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    Re: Tachometer Upgrade?

    I didn't have any other issues, that I remember.

    There was talk some time ago about diodes in the instrument pack and LE and DLX's are in different locations but I never had the issue so it may be pack dependant.
    Can't find the thread I was thinking of, but this one covers it too, possibly worth looking into??

    problem with warning lights at startup


  13. #32
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    Re: Tachometer Upgrade?

    I believe I sold this to you. My records show me shipping one recently to your town. Itís out of an 86Le 2WD.

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    I believe this vin plate and the van year make and model was provided in the description.

  14. #33
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    Re: Tachometer Upgrade?

    Auto trans

  15. #34
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    Re: Standard to LE (add tach) and LE to standard cluster swaps

    Just picked up an 87 4x4 auto LE cluster to go in to my 88 manual 4x4, forgot to grab the proper oil pressure sender off the LE motor and i am having trouble sourcing a new one. anybody have a part number or location where they bought a decent one? found one listed at napa for like $60 seems a lot for a small amenity
    thanks

  16. #35
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    Re: Standard to LE (add tach) and LE to standard cluster swaps

    Quote Originally Posted by Krab Krust View Post
    Just picked up an 87 4x4 auto LE cluster to go in to my 88 manual 4x4, forgot to grab the proper oil pressure sender off the LE motor and i am having trouble sourcing a new one. anybody have a part number or location where they bought a decent one? found one listed at napa for like $60 seems a lot for a small amenity
    thanks
    If it's just the oil pressure sending unit, they can be had for less than 10 bucks. The AT/ Manual ones are the same I thought...

    Amazon:

    https://www.amazon.com/gp/product/B000C81MRA/ref=oh_aui_search_asin_title?ie=UTF8&psc=1

    Screws into the same boss near the dizzy on passenger side of engine.

  17. #36
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    Re: Standard to LE (add tach) and LE to standard cluster swaps

    Quote Originally Posted by Flecker View Post
    If it's just the oil pressure sending unit, they can be had for less than 10 bucks. The AT/ Manual ones are the same I thought...

    Amazon:

    https://www.amazon.com/gp/product/B000C81MRA/ref=oh_aui_search_asin_title?ie=UTF8&psc=1

    Screws into the same boss near the dizzy on passenger side of engine.
    I need the one that's for the oil pressure gauge on an LE, I thought they look a bit different, larger and more round. the one on the LE van was much bigger diameter and so was the one on my truck when i switched to the sr5 gauges and had to swap from the dummy light sensor to one that actually read pressure. the picture is just an example of what my truck had with the dummy light and what i switched to to run the factory sr5 oil pressure gauge. Guess what i'm asking is are you sure that the one on amazon you sent the link for works for the LE oil pressure gauge?It says in the description its for automatic trannies. And you're right i'm not sure why there would be any difference in this part auto to manual. thanks for the reply Flecker



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    Im also seeing sending units both being listed as working for the van that have two terminals and one, was under the impression it only had one?

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    Last edited by Krab Krust; 02-25-2019 at 02:57 PM.

  18. #37
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    Re: Standard to LE (add tach) and LE to standard cluster swaps

    You indeed need the larger unit, a sending unit, not a switch.
    That link took me to PS-160 which is not the correct part for a gauge, though it would work fine for idiot light models.

    It is a single pin unit and you will need to run a new wire from the new sender to the new pack

    And yes, pressure sensors are significantly more expensive than pressure switches.

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