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#aircooledvw โ€” Public Fediverse posts

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  1. So I found an old lightbulb and harness and hooked it up to the fuel pump harness. It lights up when I jump the relay!

    This didn't change the behavior of the relay, so the next step is to just replace the relay. ๐Ÿคž

    The weird thing about the relay is that it clicks like it's supposed to, even when the control wire isn't switched. Neither does it blow a fuse like the OGs on TheSamba.com say it should.

    #aircooledVW #vw #type3 #car #electronics #electrical #electricity #classicCar #volkswagen

  2. So I found an old lightbulb and harness and hooked it up to the fuel pump harness. It lights up when I jump the relay!

    This didn't change the behavior of the relay, so the next step is to just replace the relay. ๐Ÿคž

    The weird thing about the relay is that it clicks like it's supposed to, even when the control wire isn't switched. Neither does it blow a fuse like the OGs on TheSamba.com say it should.

    #aircooledVW #vw #type3 #car #electronics #electrical #electricity #classicCar #volkswagen

  3. So I found an old lightbulb and harness and hooked it up to the fuel pump harness. It lights up when I jump the relay!

    This didn't change the behavior of the relay, so the next step is to just replace the relay. ๐Ÿคž

    The weird thing about the relay is that it clicks like it's supposed to, even when the control wire isn't switched. Neither does it blow a fuse like the OGs on TheSamba.com say it should.

    #aircooledVW #vw #type3 #car #electronics #electrical #electricity #classicCar #volkswagen

  4. So I found an old lightbulb and harness and hooked it up to the fuel pump harness. It lights up when I jump the relay!

    This didn't change the behavior of the relay, so the next step is to just replace the relay. ๐Ÿคž

    The weird thing about the relay is that it clicks like it's supposed to, even when the control wire isn't switched. Neither does it blow a fuse like the OGs on TheSamba.com say it should.

    #aircooledVW #vw #type3 #car #electronics #electrical #electricity #classicCar #volkswagen

  5. Well... there's still no ground at the #19 wire, just 11.4v positive. Why would a working ECU that's supposed to put out 12v ground on the fuel pump relay #85 be putting out positive. It should never put out positive. Is there a short in one of the other 30 or so wires!?

    I fucking hate #electronics

    #fuelInjection #vw #volkswagen #type3 #car #aircooledVW

  6. Well... there's still no ground at the #19 wire, just 11.4v positive. Why would a working ECU that's supposed to put out 12v ground on the fuel pump relay #85 be putting out positive. It should never put out positive. Is there a short in one of the other 30 or so wires!?

    I fucking hate #electronics

    #fuelInjection #vw #volkswagen #type3 #car #aircooledVW

  7. Well... there's still no ground at the #19 wire, just 11.4v positive. Why would a working ECU that's supposed to put out 12v ground on the fuel pump relay #85 be putting out positive. It should never put out positive. Is there a short in one of the other 30 or so wires!?

    I fucking hate #electronics

    #fuelInjection #vw #volkswagen #type3 #car #aircooledVW

  8. Well... there's still no ground at the #19 wire, just 11.4v positive. Why would a working ECU that's supposed to put out 12v ground on the fuel pump relay #85 be putting out positive. It should never put out positive. Is there a short in one of the other 30 or so wires!?

    I fucking hate #electronics

    #fuelInjection #vw #volkswagen #type3 #car #aircooledVW

  9. See here's my perfectionism getting the better of me again; I want the ECU's fuel pump relay circuit to work, but I could easily just ground the #19 wire and it would run the pump as long as the key is on. In fact, the previous owner just bypassed the relay entirely with a wire directly to the fuel pump.

    #volkswagen #fuelInjection #type3 #automotive #electronics #classicCar #aircooledVW #vw

  10. See here's my perfectionism getting the better of me again; I want the ECU's fuel pump relay circuit to work, but I could easily just ground the #19 wire and it would run the pump as long as the key is on. In fact, the previous owner just bypassed the relay entirely with a wire directly to the fuel pump.

    #volkswagen #fuelInjection #type3 #automotive #electronics #classicCar #aircooledVW #vw

  11. See here's my perfectionism getting the better of me again; I want the ECU's fuel pump relay circuit to work, but I could easily just ground the #19 wire and it would run the pump as long as the key is on. In fact, the previous owner just bypassed the relay entirely with a wire directly to the fuel pump.

    #volkswagen #fuelInjection #type3 #automotive #electronics #classicCar #aircooledVW #vw

  12. See here's my perfectionism getting the better of me again; I want the ECU's fuel pump relay circuit to work, but I could easily just ground the #19 wire and it would run the pump as long as the key is on. In fact, the previous owner just bypassed the relay entirely with a wire directly to the fuel pump.

    #volkswagen #fuelInjection #type3 #automotive #electronics #classicCar #aircooledVW #vw

  13. Well, fuck! (i.r.t. mastodon.social/@schizanon/112)

    Battery is at 12v, and I'm supposed to get ground from the #19 wire from the ECU but I'm getting 11.2v which I see at the relay as well.

    Either this ECU has the same problem, or the issue is somewhere else.

    I don't know what to check next; maybe check for a short in the ECU harness?

    #automotive #volkswagen #electronics #bosche #fuelInjection #type3 #squareback #airCooled #classicCar #classicVW #airCooledVW #vw #car

  14. Well, fuck! (i.r.t. mastodon.social/@schizanon/112)

    Battery is at 12v, and I'm supposed to get ground from the #19 wire from the ECU but I'm getting 11.2v which I see at the relay as well.

    Either this ECU has the same problem, or the issue is somewhere else.

    I don't know what to check next; maybe check for a short in the ECU harness?

    #automotive #volkswagen #electronics #bosche #fuelInjection #type3 #squareback #airCooled #classicCar #classicVW #airCooledVW #vw #car

  15. Well, fuck! (i.r.t. mastodon.social/@schizanon/112)

    Battery is at 12v, and I'm supposed to get ground from the #19 wire from the ECU but I'm getting 11.2v which I see at the relay as well.

    Either this ECU has the same problem, or the issue is somewhere else.

    I don't know what to check next; maybe check for a short in the ECU harness?

    #automotive #volkswagen #electronics #bosche #fuelInjection #type3 #squareback #airCooled #classicCar #classicVW #airCooledVW #vw #car

  16. Well, fuck! (i.r.t. mastodon.social/@schizanon/112)

    Battery is at 12v, and I'm supposed to get ground from the #19 wire from the ECU but I'm getting 11.2v which I see at the relay as well.

    Either this ECU has the same problem, or the issue is somewhere else.

    I don't know what to check next; maybe check for a short in the ECU harness?

    #automotive #volkswagen #electronics #bosche #fuelInjection #type3 #squareback #airCooled #classicCar #classicVW #airCooledVW #vw #car

  17. I'm getting 8v positive at this wire with the key on and the ECU connected, which is probably a bad sign. ๐Ÿ˜Ÿ

    The shop manual says the ECU should be sending ground.

    Either the ECU is fried or there's a short somewhere in the wiring harness.

    #automotive #fuelinjection #electronics #vw #type3 #squareback #bosche #dJetTronic #aircooledVW

  18. I'm getting 8v positive at this wire with the key on and the ECU connected, which is probably a bad sign. ๐Ÿ˜Ÿ

    The shop manual says the ECU should be sending ground.

    Either the ECU is fried or there's a short somewhere in the wiring harness.

    #automotive #fuelinjection #electronics #vw #type3 #squareback #bosche #dJetTronic #aircooledVW

  19. I'm getting 8v positive at this wire with the key on and the ECU connected, which is probably a bad sign. ๐Ÿ˜Ÿ

    The shop manual says the ECU should be sending ground.

    Either the ECU is fried or there's a short somewhere in the wiring harness.

  20. I'm getting 8v positive at this wire with the key on and the ECU connected, which is probably a bad sign. ๐Ÿ˜Ÿ

    The shop manual says the ECU should be sending ground.

    Either the ECU is fried or there's a short somewhere in the wiring harness.

    #automotive #fuelinjection #electronics #vw #type3 #squareback #bosche #dJetTronic #aircooledVW

  21. I've got to get out there and finish installing the fuel pump relay on my #VW #type3 ๐Ÿ˜ฉ

    I just have no idea what to make of this mess of old fucked up wiring, and a mental block about #electrical in general.

    I think this is the "Voltage Supply Relay" so one of the wires that runs off of it will go up front to the fuel pump relay. Then I just have to figure out which wire runs to the ECU.

    I think I need an induction loop meter...

    #automotive #electronics #fuelInjection #classicCar #aircooledVW

  22. I've got to get out there and finish installing the fuel pump relay on my #VW #type3 ๐Ÿ˜ฉ

    I just have no idea what to make of this mess of old fucked up wiring, and a mental block about #electrical in general.

    I think this is the "Voltage Supply Relay" so one of the wires that runs off of it will go up front to the fuel pump relay. Then I just have to figure out which wire runs to the ECU.

    I think I need an induction loop meter...

    #automotive #electronics #fuelInjection #classicCar #aircooledVW

  23. I've got to get out there and finish installing the fuel pump relay on my ๐Ÿ˜ฉ

    I just have no idea what to make of this mess of old fucked up wiring, and a mental block about in general.

    I think this is the "Voltage Supply Relay" so one of the wires that runs off of it will go up front to the fuel pump relay. Then I just have to figure out which wire runs to the ECU.

    I think I need an induction loop meter...

  24. I've got to get out there and finish installing the fuel pump relay on my #VW #type3 ๐Ÿ˜ฉ

    I just have no idea what to make of this mess of old fucked up wiring, and a mental block about #electrical in general.

    I think this is the "Voltage Supply Relay" so one of the wires that runs off of it will go up front to the fuel pump relay. Then I just have to figure out which wire runs to the ECU.

    I think I need an induction loop meter...

    #automotive #electronics #fuelInjection #classicCar #aircooledVW

  25. I got my new fuel pump relay for my #vw #squareback, now I just have to find the wires that some monkey cut off to bypass the old one. The diagram shows wires running to the pump, ECU, voltage regulator, and auxiliary air valve. I *think* I know where all those are, and I have a test light so I can tell if they have voltage.

    #electronics #car #automotive #mechanic #fuelInjection #classicCar #aircooledVW

  26. I got my new fuel pump relay for my #vw #squareback, now I just have to find the wires that some monkey cut off to bypass the old one. The diagram shows wires running to the pump, ECU, voltage regulator, and auxiliary air valve. I *think* I know where all those are, and I have a test light so I can tell if they have voltage.

    #electronics #car #automotive #mechanic #fuelInjection #classicCar #aircooledVW

  27. I got my new fuel pump relay for my , now I just have to find the wires that some monkey cut off to bypass the old one. The diagram shows wires running to the pump, ECU, voltage regulator, and auxiliary air valve. I *think* I know where all those are, and I have a test light so I can tell if they have voltage.