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  1. Site Related

    1. W-body.com Announcements and News

      Updates and information regarding the W-body.com website.

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    2. New Member Introductions

      Welcome to our community! Introduce yourself to everyone here.

      9k
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  2. General W-Body Discussion

    1. FAQs and Technical Information

      'How-To' articles and basic information for those who are new to the W-Body platform.

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    2. General

      General W-Body Discussion

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    3. Powertrain

      Engine and Transmission Maintenance, Repair, and Performance

      129k
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    4. PCM Tuning

      Looking for tuning advice or need help reading a scan? Need help getting your tuning software up and running? This is the place for you.

      132
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    5. Brakes/Suspension/Steering/Wheels/Tires

      This is the place to talk about brakes, suspension, lowering, wheels, tires, basically everything that affects your car's ride and handling.

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    6. Car Audio

      Need help putting a system into your W-body? Talk about it here!

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    7. Appearance/Car Care

      Body work, paint care, interior/exterior cleaning, detailing tips and tricks.

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  3. Specialty Forums

    1. Turbo Grand Prix

      This forum is for enthusiasts of the rare 1989-90 Pontiac Grand Prix Turbo.

      27k
      posts
    2. Cutlass Supreme Convertible

      A forum for information and discussion about the Oldsmobile Cutlass Supreme Convertible

      10.8k
      posts
  • Member Statistics

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    89SE
    Newest Member
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  • Posts

    • ManicMechanic
      Minty 1989 TGP in a NJ auction.
    • rich_e777
      Ok I did some testing and here is what I know. KOEO V is about 13.8 Jumping both cooling fan relays turned both fans on after confirming power to each relay cavity. Also I can see the request for A/C ON is given on the scan tool which should have the fans running as well. Based off what I`m reading from the manual the pcm should ground circuit 335(473) to activate Fan 1(2) when A/C command is ON but that doesnt seem to be happening. A test light connected to battery - will activate the fan when probing either relay circuit and work both relays as well.  So fan motors work, the relays click as they should, the wiring associated between relays and fans seem to be ok aside from the circuit between the pcm and relay not grounding. Visibly the harness is ok, still wrapped up in the factory tape all the way from the fuse box. Schematic for reference I`m a bit stuck now in which direction to go and what to look at.         
    • 89SE
      My 89 Grand Prix was not in use for many years, the radio degraded in that time. It started to give a lot of pops and bangs. So much it seems to have blown a front speaker in the few moments it has been turned on. The speaker is an easy fix, just remove the dash pad and screw a new one in (16054362 is replaced by 15173233 and can be easily found). My system is a 4 speaker with Remote control head 16075882, the optional Cassette+equalizer 16050912 and steering wheel controls. The amp and receiver (16072780) which is located above the glovebox is the one that typically causes issues. I found the documentation here on the forum, unfortunatley the link for the amp doesn't work anymore: But even better than documentation, I found a common cause and fix for the pops and bangs: I tried exactly this procedure: https://reattaowner.com/roj/component/content/article?id=198:radio-capacitor-replacement-instructions. The 6 green capacitors were indeed shot. I found d4x5mm (not d5x5mm), 1uF, 50V, 105°C replacement capacitors at RS and had a specialist to put them in. The radio now works well, only some very minor pops are still noticable when the volume is turned to 0. I am very happy with the result and recommend this fix. However, I did notice now that my FM tuner apparently only goes up to 104.05MHz... Scanning, or manual tuning to get past 104 make it jump to the bottom of the frequency band again. I wonder if anyone else had a similar issue or fix for this?
    • rich_e777
      Out of curiosity did you end up finding some that worked with your car? Those Amanita posted are discontinued. 
    • kcac
      My 1995 Cutlass has a factory CD player. Record company CDs play fine. If I want to play my own burned CDs, I have to burn them at the slowest speed or they will not play. Lately I use a Bluetooth FM transmitter and just play content from my phone.
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