1930 - 1940 Hudson Color Options and & Ditz-lac Intermix (IM) System Numbers

1929 - 1958 Hudson Colors

Hudson Oil Filter by Fram

1930 to 1939 Electric - Fuel and Serial Numbers

Tech Information index for White Triangle News articles. c/o Vernon E. Holt

1909 - 1940 Hudson Dealer Bulletins

1909 - 1957 Electric Equipment and Fuel System Data

----------------------------- Fulton Visors -----------------------------
Fulton Visors

Pictures of Pieces

------------------- Bee Line Wheel Straightener -------------------
Bee Line Wheel, Hub, Brake Drum Straightener Service Manual

------------------- John Bean Wheel Balancer -------------------
John Bean Wheel Balancer Model 55-J Wall Chart

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Trouble Shooting the Hudson Tele-Flash Signals

 The dash signal (idiot) lights consist of a Battery Charge Tell-tale and Oil Pressure Tell-tale on the instrument panel which are used instead of gauges to indicate when generator is charging battery and if oil pressure is satisfactory. They are regular lamp bulbs connected to the accessory terminal of the ignition switch (operative only with ignition switch turned 'on') and are controlled by the generator cutout relay and oil line check-valve as described below.

   GENERATOR CHARGE TELL-TALE: - The cutout relay is provided with an extra set of ground contacts above the armature and the tell-tale lamp lead is connected to this contact "T" terminal on the regulator case. The lamp circuit is completed to ground through these contacts. See car wiring diagram or model page for complete wiring circuits.
    Operation: - The ground contacts are normally closed with the main contacts open and open when the main contacts close. When the ignition is turned on, the tell-tale lamp lights and remains lighted until the main contacts close and the generator begins to charge the battery. The lamp should remain lighted after the car speed Is brought up beyond the cut-in point (approximately 7 MPH).
    Trouble Shooting: - If the tell-tale lamp does not light when ignition is turned on, ground tell-tale lamp lead "T": terminal on regulator to the engine ( not the "B' terminal). If lamp does not light, check for burned out bulb or loose connections (see car model page wiring diagram). If lamp lights (indicating ground contacts open), main contacts are fused or armature spring is weak broken. If tell-tale lamp does not go out at speeds above cut-in point, ground contacts are not opening when main contacts close. Check generator performance by connecting accurate test ammeter in charging line. If trouble in regulator, car manufacturer recommends that a new or replacement regulator installed (regulator case is sealed, do not break seal)

   OIL PRESSURE TELL-TALE: - The oil line check valve on the right side of the crankcase is provided with an insulated terminal pin which is grounded by the check-valve plunger when no pressure exists in the oil line. The pressure tell-tale lamp lead is connected to this terminal. A small hole in the check-valve plunger and a by-pass In the body allow the passage of sufficient oil so that the plunger alternately opens and closes the circuit at idling speeds, causing the tell-tale lamp to flash.
    Operation: - The plunger rests normally against the pin when no pressure exists in the oil line so that the tell-tale lamp will light when the ignition Is turned on. At idling speeds the plunger alternately opens and closes the circuit so that tell-tale lamp flashes.
At speeds above idling (approximately 7 M.P.H.), the oil pressure holds the check-valve plunger off its seat so that the tell-tale lamp does not burn or flash.
    Trouble Shooting: - If the tell-tale lamp does not light when the ignition is turned on, ground check-valve terminal to engine. If lamp does not light, replace bulb. If lamp does light, remove terminal pin and see that it is straight and clean. Take off plug on top of check-valve housing, remove plunger and see that it is clean and moves freely up and down. Examine spring above plunger. If tell-tale lamp does not flash at Idling speeds, see that small hole in plunger is clean and open.

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Conversion - Swap - This fits That Area

The 37 Flat Back sedan trunk lid will fit on a 38.
The Hump trunks are all different 36, 37, 38.

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Just for fun.

1949 and 1954 Hudson Stock Certificates

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Thank You Alex Burr for the documents here, check out his file storage on the HET Club Site