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LM Trunk Light & Engine Light Switches
Posted by: donm ()
Date: June 28, 2020 06:13PM

I bought a used hood for the ’67 500 coupe I’m doing a CrownV8 conversion on and found that it has a trunk light which I believe is rather rare. I would like to use it but can’t find any information regarding the switch type and location and the circuit it should be wired into. None of the wiring diagrams for the ’65, 66 and ’67 manuals I have show the trunk light. I’m also interested in adding an engine compartment light for what will be a rear trunk for me. I know it will be difficult to find a Corvair engine light, but I may be able to make a GM big car unit work and look fairly original. Although I’m obviously modifying the '67 coupe, I would like the final product to look as original as possible.

Could one of you please post a photo of the trunk light and engine light switches and if possible identify the circuits they are wired into? Are the switches the same as the courtesy light door jamb switches?

Thanks!

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Re: LM Trunk Light & Engine Light Switches
Posted by: MarkDustan ()
Date: June 28, 2020 06:36PM

The switch is in the socket itself. It is a mercury switch.
Let me see of I can find the wiring diagrams. They are in the Accessory installation guide

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Re: LM Trunk Light & Engine Light Switches
Posted by: MarkDustan ()
Date: June 28, 2020 06:43PM

Take a look. [corvaircenter.com]

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Re: LM Trunk Light & Engine Light Switches
Posted by: corventure Dave ()
Date: June 29, 2020 08:53AM

Yes. Check the light it's self. Most I have seen have a built in mercury switch.

Corventure

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Re: LM Trunk Light & Engine Light Switches
Posted by: Murphy ()
Date: June 29, 2020 11:49AM

Are the EM and LM trunk lights the same, or did they change?

65 Monza Coupe
61 500 Coupe-W100181
Earliest '61?

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Re: LM Trunk Light & Engine Light Switches
Posted by: Timothy Shortle ()
Date: June 29, 2020 11:52AM

Yes, those lights are not too common. But for sure there are better brighter stuff available if you don't want originality (a V8 Corvair???).

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Re: LM Trunk Light & Engine Light Switches
Posted by: firevair66 ()
Date: June 29, 2020 06:44PM

$ 65.oo shipped

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Re: LM Trunk Light & Engine Light Switches
Posted by: scottymac ()
Date: June 30, 2020 08:37AM

PM sent.

Scott
Danville, In.
'65 Corsa basket case
'66 Monza coupe

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Re: LM Trunk Light & Engine Light Switches
Posted by: donm ()
Date: July 01, 2020 03:21PM

I did a test on my trunk light and you're right it is position sensitive. It rattles when I shake it so probably not a mercury switch maybe a ball and tube switch? I also found that '67 Camaro and Novas apparently used the same lights for trunk and under hood applications. There are plenty of Camaro and Nova repos on market. It appears that the trunk lights mount with one screw and are a bare socket and the engine bay lights mount with two screws and have a hood over the bulb. I assume that the Corvair trunk light ties into an unswitched 12v source, maybe at the fuse panel, but not sure about the Corvair engine bay light. The Camaro/Nova guys seem to think that the trunk light ties into the license plate light, but others disagree. The repo guys sell a wire Y adapter to tie into the license plate light. Maybe the Corvair engine bay light ties into the license plate light too.

The Camaro trunk light is here: [www.ecklers.com]

The Camaro engine bay light is here: [www.ecklers.com]

Thanks for the help.

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Re: LM Trunk Light & Engine Light Switches
Posted by: donm ()
Date: July 01, 2020 04:58PM

Not sure what I was thinking. Of course, the most logical place to tap power on a Corvair for the engine bay light would be the power terminal on the frame rail next to the battery. As far as the trunk light goes, either the fuse block or possibly the horn relay. Best to fuse both of the power leads. Thanks to all for the help.

Don

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Re: LM Trunk Light & Engine Light Switches
Posted by: RexJohnson ()
Date: July 01, 2020 06:31PM

I believe that the trunk light goes to the fuse box following along the heater wires on the pass. side of the trunk. I think in '65-'68 that the engine light hung from the top of the light in the middle driver's side of the engine lid with only one screw? I added a '69 engine light to my '69 and it mounted the light with 2 screws from the bottom of the light at the bottom of the lid on the driver's side.

RJ tools
Salem,Oregon

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Re: LM Trunk Light & Engine Light Switches
Posted by: Ed Dowds ()
Date: July 01, 2020 07:17PM

The trunk light gets power from the horn relay which is conveniently located on the driver's side of the trunk. I would add an inline fuse if you don't mind losing originality.

Ed
Hamilton, NJ
66 500 rear 4.3 V6 Corvair
69 350/350 TH Camaro was RS
30 Model A Ford Streetrod 350/400 TH
88 Celebrity Wagon (Daily Driver)

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Re: LM Trunk Light & Engine Light Switches
Posted by: scottymac ()
Date: July 01, 2020 07:41PM

Courtesy of Clark's C4981 accessory installation binder

Scott
Danville, In.
'65 Corsa basket case
'66 Monza coupe

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Re: LM Trunk Light & Engine Light Switches
Posted by: donm ()
Date: July 02, 2020 09:41AM

Thanks to all. The info was very helpful and exactly what I was looking for.

Don M.
Verona, WI

'67 500 coupe with Crown V8 & Corsa conversion
Bought & built the Corv8 kit in 1970
Currently undergoing a rotisserie restoration
'72 GMC Sierra Grande 402 BB, Short Box, A/C, Owned since 1973

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Re: LM Trunk Light & Engine Light Switches
Posted by: vairboy ()
Date: July 03, 2020 01:49PM

Anyone know off hand what size fuse to use for the engine light?

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Re: LM Trunk Light & Engine Light Switches
Posted by: scottymac ()
Date: July 03, 2020 08:30PM

I don't see one in the diagram above. I suppose you could wire one in, if preferred.

Scott
Danville, In.
'65 Corsa basket case
'66 Monza coupe

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Re: LM Trunk Light & Engine Light Switches
Posted by: donm ()
Date: July 04, 2020 06:01AM

I'm not sure what amperage you should use, but likely pretty low amps. Another reason to add an inline fuse for the trunk and engine bay lights is if you plan to attend club events and show off your car. Guys often like to have the trunk and engine lids open so people can see what has been done to the car. If you have lights in trunk/engine they will be on unless you pull the fuse and thus avoid a dead battery at the end of the day.

Don M.
Verona, WI

'67 500 coupe with Crown V8 & Corsa conversion
Bought & built the Corv8 kit in 1970
Currently undergoing a rotisserie restoration
'72 GMC Sierra Grande 402 BB, Short Box, A/C, Owned since 1973

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Re: LM Trunk Light & Engine Light Switches
Posted by: Ed Dowds ()
Date: July 05, 2020 12:07PM

15 amps would be ok.

Ed
Hamilton, NJ
66 500 rear 4.3 V6 Corvair
69 350/350 TH Camaro was RS
30 Model A Ford Streetrod 350/400 TH
88 Celebrity Wagon (Daily Driver)

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Re: LM Trunk Light & Engine Light Switches
Posted by: flamingchariots ()
Date: July 05, 2020 04:02PM

vairboy Wrote:
-------------------------------------------------------
> Anyone know off hand what size fuse to use for the engine light?


One amp or maybe two at most. Not much load, so fuse low.

Kevin
Medina, OH

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