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  1. Hot Rod Roy

    Help! Radio

    Be sure the ground connection for the radio goes to a good ground point, even if you have to run the ground wire to a new connection to the aluminum panel under your dash panel.
  2. Hot Rod Roy

    electrical

    Have you fixed your alternator? I'm confused. Is it a bad alternator, or a bad interior lights module? Or what?
  3. Hot Rod Roy

    1985 Radio Issue

    How long have you owned the car? Is this a new problem? Do you have 12 v. at the RADIO fuse after you turn off the ignition? If "yes", does the radio go off if you pull that fuse? There are two pink wires in the circuit. Your comment seems to be referencing the pink between the...
  4. Hot Rod Roy

    Question: C4 Alarm Problem

    Since your problem only happens occasionally, the problem is probably that the door switches need to be adjusted for more travel. They both need to be "open circuit" switches when the door is closed. Maybe a small spacer could be glued to your door jamb where the switches touch, if the...
  5. Hot Rod Roy

    Wet Carpet Ppassenger Side.

    Why have you posted this question twice? Hoping for two different answers?
  6. Hot Rod Roy

    Crossfire - replacement / upgrade efi - what do people here use?

    May I ask why? The Renegade with CFI should have you running just as good as the later TPI! You might consider going to a 383 if you're looking for more! Your Renegade /CFI can handle it. Any other injection system will require an ECM upgrade, too. :cool
  7. Hot Rod Roy

    '84 corvette- Throttle Position Sensor (check engine code)

    Code 21 is TPS signal voltage high. Have you verified that the TPS voltage at idle position is very close to 0.525 v. on pin B, with ground probe of your DVM on pin A? (Per '84 FSM, pg. 6E2-68.) The voltage should rise smoothly to a full throttle voltage of about 5.0 v. (FSM pg. 6E2-66)...
  8. Hot Rod Roy

    REALLY strange oil leak...

    As you probably know, the heads are interchangeable left for right. Are you asking about a hole that would be a front mounting hole if that head were installed on the right side? Is it drilled too deep, going into the rocker arm space? :cool
  9. Hot Rod Roy

    Inconsistent spark...

    That's normal. That's the way 4 cycle engines operate. Are you getting fuel? Have you tried any starting fluid sprayed into the intake? Are you sure ignition timing is correct, with #1 spark plug firing at the top of the compression stroke? Did you rebuild the engine yourself? Are...
  10. Hot Rod Roy

    Exhaust Questions from a first time Corvette owner

    You did good! Flowmasters are known for their drone. Some put up with it, because the performance is slightly better, but I would agree with the trade-off you have chosen. The ECM in these cars is pretty good, so it's likely there was some self-tuning after you had driven the car for a...
  11. Hot Rod Roy

    Help! C4 ZR1 Activation of Air Conditioning blows out new Alternators

    My first guess would be a bad compressor clutch or a bad secondary fan motor. Disconnect those, then watch your volt meter as you turn on your a/c. If the voltage drops significantly, turn off the a/c. It's something else. Time to see your a/c mechanic again. :cool
  12. Hot Rod Roy

    Unknown red indicator on center console..what is it?

    You're asking the same question. Are you expecting a different answer from the same question? :cool
  13. Hot Rod Roy

    LT4 Alternator and serpentine belt help

    I believe there are marks on your tensioner to indicate the proper length belt. The single mark on the moveable arm should be between the two marks on the stationary bracket. I haven't had problems with Pep Boys. They're just Chevy parts! :cool
  14. Hot Rod Roy

    92 vette Fuse #1 blown, new fuse blows immediately HELP!

    That "CTSY LAMP" circuit is quite complex! Without a wiring diagram, you'll have trouble tracing those locations. A common problem: Has a coin slipped into your lighter socket? To keep from needing a bucket full of fuses during your search, here's a gadget I built to help find a short...
  15. Hot Rod Roy

    84 "Parts Identification Sticker"

    Welcome to the Forum! Have you looked under the doors for the rear compartments, behind the seats? :w
  16. Hot Rod Roy

    Lock Out Question

    There are three at the battery cable terminal of your starter (Alternator, ignition switch, fuse panel, headlight switch, headlight doors). There is one on the small cable from the + terminal of your battery (Radiator Fan). See pg. 8A-11, 12, 13, & 14 of your '84 FSM.
  17. Hot Rod Roy

    Lock Out Question

    Do you know anything about the history of this car? If everything is original, there's no reason for the doors to lock when you connect the battery. Nor is there any reason that the fan should come on, either! Something is weird! Has someone installed a keyless entry system? That might...
  18. Hot Rod Roy

    Help ASAP ! Acrylic top - HARD Top ???

    That's incredible! Is there any possibility your installation procedure might be improved? Would you be offended if I asked you to describe your procedure? Does the frame for your top fit easily into the mounting holes? Does the front edge of the acrylic top have excessive pressure...
  19. Hot Rod Roy

    heat- A/C blower fan only blows low speed

    If your blower speed switch is bad (or disconnected), you'll have only the low blower speed. :w
  20. Hot Rod Roy

    Unknown red indicator on center console..what is it?

    You've just learned otherwise! I added a red light to my dash to indicate when my radiator fan is running. That light may become a mystery to whoever inherits my '84! :w
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