Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#229123 12/31/11 11:37 AM
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52olds Offline OP
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My regulator has been amp meter has ben acting funny,whith the headlights off ,if I rev the engine it will go almost to full charge,and when I put head lights on it goes to 0. I put an nos delco voltage# 1118301 in I get nothing. I notice that the reg. I took out mounts directely to the firewall,no rubber grouments. the nos regulator,mounts whith rubber gromutes,no grounding,to firewall.Does anyone know which is correct? It is a 1952 chevy,6 volt as factory built,no changes.Thanks Ed

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Lets start with the new regulator...because the old one sounds kinda normal...there is no needle movement at all with the new regulator ?


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Did you polarize the generator first to the new voltage regulator?

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...Be da man and run that simple procedure by us one more time...thanks


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Using a jumper wire you momentarily touch one end of the jumper wire to the BATT terminal and the other end to the GEN or A terminal. When you get a spark the generator is polarized to the new regulator.

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...You Da Man...! Thanks J.D. I'll write that down in my note book for further reference...


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Remember......every time you either remove the generator or replace the voltage regulator you must re-polarize the generator.

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1118301 is NOT the correct regulator for a 1952. The 1952 used the short generator that has no brush cover band. the correct reg. for a 1952 is a 1118721 or 1118725.....unless a og 1940-1951 generator has been installed.


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Thanks all for replying,I have the short genarotor,whithno band.I did polarizs it,But my real question is should the regulator be grounded to the body directly.Ed

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My voltage regulator is mounted with rubber grommets that came installed on the voltage regulator.

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Yes, the regulator is to be grounded. Usually, one of the mounting holes has a strap attached that grounds with the mounting screw.


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Do I have to polarize after installing new wires from generator to regulator ? My wires are cracked and exposed and need replacing...Thanks , Kevin


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Wouldn't hurt to do so.

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