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Thread: SWB Relays Analyzed

  1. 12-02-2016, 12:06 PM #31
    Merv
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    Thanks again John. First thing, I did was clean the grounds in the front trunk and at the relays and checked all fuse box connections. On the Hazard flasher unit, I am getting good current out of both L and R pins, so it seems fine now I believe. It flashes at a nice rate. The Hazard switch tests out OK on the bench and I have checked the connections and grounds on all the lights and indicators.

    Still I have a Hazard circuit that flashes on one side (LH) only and turn indicators that also engage the parking/running lights! My hazard switch seems powered from a separate fuse connected to connected #4 on the stock 1968 fuse block. Bit like this photoName: Porsche+912+004a1286758102.jpg Views: 1434 Size: 79.4 KB
    Last edited by Merv; 12-02-2016 at 09:28 PM.
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  2. 12-03-2016, 03:46 PM #32
    Merv
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    I have disconnected the hazard fuse (separate one) for the time being. However the parking /running lights still come on in concert with the indicators. So two separate issues perhaps. Could be the indicator switch of the main light control relay?
    Merv

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  3. 12-04-2021, 07:03 AM #33
    Nordschleife
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    Reviving this excellent thread.

    Question: which factory relay is correct for the SWB Blower, please? And where is that relay mounted?

    I have the simple Porsche fan blower system, not the (more elaborate) Webasto heater.

    Best,
    Andy in New Hampshire
    Last edited by Nordschleife; 12-04-2021 at 07:40 AM.
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  4. 12-04-2021, 07:42 AM #34
    moito
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    Quote Originally Posted by Nordschleife View Post
    Reviving this excellent thread.

    Question: which factory relay is correct for the SWB Blower, please? And where is that relay mounted?

    I have the simple Porsche fan blower system, not the (more elaborate) Webasto heater.

    Best,
    Andy in New Hampshire
    same relay as for the gas heater---same position
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  5. 12-04-2021, 07:54 AM #35
    Nordschleife
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    Thank you, Moito. Is this the correct relay that you mean?

    Wehrle W592A-S30/51 (black paint)

    This is what I have now.

    Best,
    Andy in New Hampshire
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  6. 12-05-2021, 12:06 AM #36
    moito
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    Quote Originally Posted by Nordschleife View Post
    Thank you, Moito. Is this the correct relay that you mean?

    Wehrle W592A-S30/51 (black paint)

    This is what I have now.

    Best,
    Andy in New Hampshire
    yes this is it... also used for horns,and ignition
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  7. 12-09-2021, 03:24 AM #37
    718RSK
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    another shot out for this post. Been chasing some electrical gremlins and this post came in very handy
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  8. 03-03-2023, 07:01 AM #38
    911L Guy
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    Reviving this thread (again) as the hazards aren't working on my US-delivered 1968 911 L. We installed a new full Kroon wiring harness last year and everything works perfectly except for the hazards. I'm looking to replace the following parts as I suspect that this the point of failure: 901.615.341.10 and 901.615.341.00.

    Do you guys have any leads for replacing or rebuilding these so I can get this part of the puzzle solved? Many thanks for any help on this, and I will post up pics later today with what I have now.
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  9. 03-05-2023, 12:02 PM #39
    911L Guy
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    Quote Originally Posted by 911L Guy View Post
    Reviving this thread (again) as the hazards aren't working on my US-delivered 1968 911 L. We installed a new full Kroon wiring harness last year and everything works perfectly except for the hazards. I'm looking to replace the following parts as I suspect that this the point of failure: 901.615.341.10 and 901.615.341.00.

    Do you guys have any leads for replacing or rebuilding these so I can get this part of the puzzle solved? Many thanks for any help on this, and I will post up pics later today with what I have now.
    Popping this back to the top to see if anyone can give me a hand with this
    ________________________________
    Early 911S Reg #3096
    "Chester" - 1968 911 L, Fully Restored, Numbers Matching, Tangerine Orange on the original 5 1/2 x 15 Fuchs wheels
    "The Beast" - 2010 911 4S Cab, Triple Black, 6 Speed MT, SSK, PSE with Fabspeed Sport Headers and 200-Cell Cats
    "The Truck" - 2019 Cayenne Turbo, Jet Black, Sport Chrono, PSE, Rear Axle Steering & PSCB Brakes (for haulin' stuff... fast)
    ”Blue” - 2023 911 Turbo S Cab, Gentian Blue over Deviated Black Leather with PSE & PCCB’s
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  10. 03-05-2023, 07:12 PM #40
    davep
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