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  1. Logan

    Temperature gauge does not work on my 1970 340 Duster ?

    Maybe you could get her warm and with the engine running, flip the ignition switch off and back on before the engine stalls and see if it works then. I'm not familiar with the inner workings of the switch but it does seem worth a try.
  2. Logan

    Temperature gauge does not work on my 1970 340 Duster ?

    Using pipe dope or teflon tape?
  3. Logan

    INSTR fuse blows when I start the engine

    Do you have an electric choke on an aftermarket carb? Try unpluging it and see if the fuse still burns out. I've seen where people tie into where ever they find juice with 'key on' and connect to the choke. Then, some time later when the choke's heating element goes to ground it takes out the...
  4. Logan

    How clean this.

    Blasting cabinet with glass bead media and moderate air pressure worked for me.
  5. Logan

    Vacuum hose routing on temperature operated by-pass valve (Radiator)

    I think you'll find "CARB" means "California Air Resources Board". CA legislated their own smog rules back then and it was common to see this on smog related parts. The car was probably originally sold in California.
  6. Logan

    Where do these wires go?

    Those two are empty on my car which is same year/engine/trans. Looks like they were empty from the factory as the holes are stuffed with OEM looking sponge rubber.
  7. Logan

    alternator wiring with HEI for 74 help ...

    Here's what I'm doing... Note the neg coil wire on its way to the HEI module does not connect to the distributor wiring. [I shouldn't have let the lines touch in the sketch.] Less clutter with the relay under the dash. I relocated the HEI module to the fire wall near the distributor and...
  8. Logan

    Alternator energized while starting with HEI

    I'm cleaning up under hood wiring and plan to install GM HEI on my '71 Dart 318. I searched FABO and see where the "IGN" and "resistor bypass" wires connect together and power the system. "IGN" is hot while running and "bypass" is hot during starting. This scheme has the alternator field powered...
  9. Logan

    is this right ? (alternator wires)

    Can't tell much from small pic but how about temp sending unit on front of intake manifold and pressure sensor on top of drier (if you have an AC car).
  10. Logan

    Instrument Cluster Voltage Regulation

    They're going to AZ & PA. Nothing left.
  11. Logan

    Instrument Cluster Voltage Regulation

    I just modified my instrument cluster per below: http://www.allpar.com/history/mopar/electrical2.html Haven't tried it yet. Found the chip and capacitor at a Mom & Pop supply store...Part# 7805C (The store has since closed.) Bought three while I was there. Don't expect I'll need...
  12. Logan

    another amp meter bypass question?

    I'll be doing this in the next few days and plan to pass new wires through the bulkhead fitting without any connections. One thing I plan to do differently than suggested here, tough, is connect the voltmeter to ground on one end and the other terminal to a light ga wire soldered into the under...
  13. Logan

    Bad ground?

    -By 'Sounds like corrosion' do you mean the engine turns over slowly? - Here's a start... -Make sure your battery is fully charged. Or, pull up a car with a good battery. -Put on some safety glasses. -Connect jumper cables (+ to + and - to -) -Put in 'park' or depress the clutch; Try to start...
  14. Logan

    Fuel sending units read WRONG time after time!

    Start with a steady reference voltage. See http://www.allpar.com/history/mopar/electrical2.html
  15. Logan

    Third Tail Light

    For anyone considering giving up some originality to gain a bit of insurance against getting hit in the arse, consider the third tail light from a '92 Ford Tempo (other years similar). Fit my '71 Swinger with only a bit of adjustment. Has two bulbs so connect your stop light wires separately and...
  16. Logan

    The Perpetually Engaged Solenoid

    You might consider adding a some temporary wiring and a toggle switch in the starter cuit and route it into the cab until the issue is resolved. Years ago, the wife was driving on the freeway and had the starter engage at 60mph. What a mess! After the repair, I added the described toggle plus a...
  17. Logan

    Ammeter to Voltmeter...who does it?

    I don't know what happened... I replied a second time and now both are there. Crap! I know typical after market guages work as I have described. It looks like I should have dragged out my instrument cluster before commenting. Since we know they are being converted, I guess we'll just have to...
  18. Logan

    Ammeter to Voltmeter...who does it?

    I just wrote a long reply only to have it crap out when my picture had a bad extension so excuse me if this is too brief... Amp and volt meter needle movements are the same. Just a little coil that forms an electromagnet and moves a needle. Connected as a voltmeter, there's a high ohm...
  19. Logan

    Ammeter to Voltmeter...who does it?

    The actual needle movements are the same for an ammeter and a voltmeter. Each responds to a tiny amount of current applied to its coil. Too much current and the movement is toast. If it is applied as a voltmeter, there is a relatively large (value- not size)resistor added inside the case- in...
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