Help with electrical question for 1965 Oldsmobile Cutlass

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Old Nov 15, 2022 | 12:48 PM
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Walterdurbin's Avatar
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Help with electrical question for 1965 Oldsmobile Cutlass

I am looking at diagram of front lighting to see if turn signal/ parking lights will come on when you pull dash light switch to the first position!
my rear lights come on but front parking lights do not ( turn signals work front and back) (bulbs are double filament) on the 1965 Cutlass should the front parking lights be on when rear tail lights are on with light switch pulled to first position?
Old Nov 15, 2022 | 12:57 PM
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There is a scematic in the CSM.

The '65 was wired so that the front parking lamps (and tail lamps) came on at the first pull switch position, then they go off when the headlamps are turned on in the second pull position.
Old Nov 15, 2022 | 01:10 PM
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Originally Posted by Walterdurbin
I am looking at diagram of front lighting to see if turn signal/ parking lights will come on when you pull dash light switch to the first position!
my rear lights come on but front parking lights do not ( turn signals work front and back) (bulbs are double filament) on the 1965 Cutlass should the front parking lights be on when rear tail lights are on with light switch pulled to first position?
The parking lights do not come on with the headlights. 1967 was the first model year when the Feds required parking lights to be on with the headlights.
Old Nov 15, 2022 | 01:16 PM
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I bought my first '65 before I had a driver's license. I always hated this about the car.

Does anyone know if a '67 switch be swapped with the '65?

Originally Posted by joe_padavano
The parking lights do not come on with the headlights. 1967 was the first model year when the Feds required parking lights to be on with the headlights.
Old Nov 15, 2022 | 01:57 PM
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Originally Posted by Rocketguy
I bought my first '65 before I had a driver's license. I always hated this about the car.

Does anyone know if a '67 switch be swapped with the '65?
Yes it can
Old Nov 15, 2022 | 02:44 PM
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The park lights do not stay on with the headlights on my 67. I don't think the feature was mandated until 68 or 69.
Old Nov 15, 2022 | 02:49 PM
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Originally Posted by danktx
The park lights do not stay on with the headlights on my 67. I don't think the feature was mandated until 68 or 69.
x2, mine go out with the headlights on.
Old Nov 15, 2022 | 02:58 PM
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Further, I think the change was in the wiring not the switch. If you do a quick search for a replacement switch you find that the same switch is used after the mandate was in place. You could just cut the wire to the front park lights and attach it to the wire that feed the tail lights. That would cause the front lights to be on whenever the tail lights are on.
Old Nov 15, 2022 | 03:29 PM
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Originally Posted by danktx
Further, I think the change was in the wiring not the switch. If you do a quick search for a replacement switch you find that the same switch is used after the mandate was in place. You could just cut the wire to the front park lights and attach it to the wire that feed the tail lights. That would cause the front lights to be on whenever the tail lights are on.
You are correct about the model year, it was 1968, not 67. Typo on my part. You are not correct about the part numbers. Aftermarket replacement companies may sell a one-size-fits-none switch, but the factory parts books shows different part numbers from 1967 to 1968.



Old Nov 15, 2022 | 04:11 PM
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You are correct Joe. I went to Rock auto and looked at the switches. Connector 7 is blank on the 68 switch (7 contacts) and is there on the 67 switch (8 contacts). So if all you do is substitute the 68 switch for the 67 switch (It looks like you could, the area for the plug looks the same on both switches) there would be nothing feeding the front park lights. The wiring would still need to be modified, if you modify the wiring either switch could be used.
Old Nov 16, 2022 | 10:07 AM
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Originally Posted by danktx
You could just cut the wire to the front park lights and attach it to the wire that feed the tail lights. That would cause the front lights to be on whenever the tail lights are on.
This may cause the contacts in the switch to burn due to overload.
Old Nov 16, 2022 | 01:53 PM
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Originally Posted by Dynoking
This may cause the contacts in the switch to burn due to overload.
It won't.
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