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  1. Cuba

    Seam Sealer???

    ;)Thanks. I peek I'm from time to time, but schedule doesn't permit too much online time. :/
  2. Cuba

    Upper Radiator Hose has no pressure

    Yeah, I get not driving it on main rds. The update is greatly appreciated! ;)
  3. Cuba

    Seam Sealer???

    I had no idea there was such a thing. A quick search, and all sorts of brands. I know using caulk or any household sealer would never work and will break down prematurely. Doesn't seem to hold up well even for the house.:rolleyes: I appreciate your input, even if not my thread.
  4. Cuba

    Seam Sealer???

    Hard black sealer? I'd imagine window sealer. It hardens somewhat over time, but never completely. Permatex makes one which can be found in most part stores. I don't know what exactly was used for certainty. Just an educated guess...
  5. Cuba

    Upper Radiator Hose has no pressure

    I' ve read this entire thread.... 1st. Hose will not pressurize unless the radiator cap is on. Cap needs to be able to hold up 15-16psi in this system in order to cool properly. The higher pressures in the system are what raises the boiling level. So instead of boiling over at the typical...
  6. Cuba

    Squarebody Down! HELP - Member Roadside Assistance Volunteer Map

    Thanks for doing this @Vbb199 ... I know we've had this thread going for years. I thought I was on the map already from years back.
  7. Cuba

    Squarebody Down! HELP - Member Roadside Assistance Volunteer Map

    I realized that. Lol you're too quick! Thank you sir!
  8. Cuba

    Squarebody Down! HELP - Member Roadside Assistance Volunteer Map

    I'm about 15 mns from Bristol in PA, I'm on the border of Bensalem & Philly... I hate how only some of the notifications come through in email. I can't fine tune it more. Anyhow, zip is 19154. I'll see if I can add that layer to maps as well. I'm a mobile tech, equipped with scopes &...
  9. Cuba

    90 Suburban ECM Fuse Popping

    If you really suspect the ECM possibly being the cause, I don't recall them that hard to get to. Take it out of its holder and shake it around or wiggle the harness to it around. I know others have said to use a DVOM but the problem is, if the event is happening too fast, you may not see it on...
  10. Cuba

    90 Suburban ECM Fuse Popping

    What you can do, is install a light bulb in place of the fuse. I know you can't jamb one in there, but you take an old socket with leads intact and put 1 lead into each slot. When it's shorting, the bulb will light. Have a buddy or child, sit and keep an eye on the bulb, while you go around...
  11. Cuba

    Ohm reading on spark plugs

    It's good for checking opens in plug wires... but when heat is involved, it can change resistance as well. Higher. I no longer trust "ohming" anything, unless I'm looking for a short to ground or something as you've stated. Loads or current & heat change everything.
  12. Cuba

    Ohm reading on spark plugs

    I no longer use resistance to verify electrical integrity. It's almost useless. The only time it's 100% accurate is when looking for a short. Resistance will change on a plug with temperature change. Anything electrical that produces heat usually does, such as a light bulb. That being...
  13. Cuba

    No ignition power

    I don't remember them that hard to get to, but I agree, the top ones are a little tougher. Well, where did you check for spark? At the coil or end of plug wire? In order for spark to be produced, coil tower (not pickup coil in dizzy, is what I'm referring to) needs good power & ground. Gray...
  14. Cuba

    Water leak help!!!

    No, not to the interior. Only windshield seal
  15. Cuba

    Water leak help!!!

    Use a hose to test.. or if you have access to air, spray soapy water on the outside and blow compressed air around seams around exterior as well. You'll see & hear the difference and sometimes bubbles depending on if hit right.
  16. Cuba

    No ignition power

    I would recheck fuses just to be sure nothing else blew while digging through trying to find issues.
  17. Cuba

    No ignition power

    So refer to the schematic link I posted. Print out the ones you need because I think it makes it easier to read, and you can write on them, checking off what & where you checked
  18. Cuba

    No ignition power

    On chengny's post. I see both. Maybe use browser instead. Tapatalk sucks, IMO
  19. Cuba

    No ignition power

    Wow, that's an odd spot for failure. How about that!
  20. Cuba

    No ignition power

    So now it's time to look at schematics and see where it gets its power from. https://www.gmsquarebody.com/threads/1973-1991-wiring-manuals.14498/ Might be at the main bulkhead connector.
  21. Cuba

    No ignition power

    I would check ignition switch on the column make sure you have power to it... or the interior fuse box, but only some fuses will have power unless key is on, engine off. Even then not all all will have power, but most should. That would tell ya if ignition switch is somewhat working. If not...
  22. Cuba

    No tail lights or cluster lights

    That's a great find! Awesome job! Thanks for updating us too!
  23. Cuba

    84 electrical issue.

    Do you think you may have accidentally unplugged something while trying to figure out horn issue? Or something came loose? Make sure connectors are all connected. There should be 3?? Hmm. Ignition switch, on top, turn signal switch, which is on the mid side I guess. Long thin one. And NSS? I...
  24. Cuba

    84 electrical issue.

    So if fuses are all good, it's possible the steering column is good area to check. Hazards, turn signals, brake, and horn all run in the column. Just under the wheel. You'll need to have the appropriate tools to get to it though. The wheel needs a puller and plate under it is spring loaded...
  25. Cuba

    84 electrical issue.

    Taillights don't. They're through headlight switch. If the front parking & dash lights work when turned on, a good possibility is a bad ground in the back. Just weird how everything happened at once. Or that you know of.

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