1947 Panel Truck Frame swap with ’88 k2500 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Second Series · 06-26-2019, 01:16 PM

There is also a switch in the lock cylinder that triggers the buzzer if the door opens with the key still in. I won’t have that.

Here is a diagram of the ’88 ignition switch.

Second Series · 06-26-2019, 01:17 PM

I’ll create a spreadsheet, a truth table of how the switch works based on this diagram and the schematics.
This shows the connector and pins 2, 3, 6/5.

Second Series · 06-26-2019, 01:17 PM

This includes pin 4.

Second Series · 06-26-2019, 01:18 PM

And this identifies pin 33.

Second Series · 06-26-2019, 01:18 PM

How does this relate to my truck? Heres the connector:

Second Series · 06-26-2019, 01:19 PM

The only discrepancy I see is my truck uses pin 36 instead of 33, but they appear to have the same function.
Here is the truth table:

Second Series · 06-26-2019, 01:20 PM

From this I came up with this diagram.
I think it will work.

06-26-2019, 01:16 PM	#1
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 There is also a switch in the lock cylinder that triggers the buzzer if the door opens with the key still in. I won’t have that. Here is a diagram of the ’88 ignition switch. Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500

06-26-2019, 01:17 PM	#2
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 I’ll create a spreadsheet, a truth table of how the switch works based on this diagram and the schematics. This shows the connector and pins 2, 3, 6/5. Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500

06-26-2019, 01:17 PM	#3
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 This includes pin 4. Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500

06-26-2019, 01:18 PM	#4
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 And this identifies pin 33. Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500

06-26-2019, 01:18 PM	#5
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 How does this relate to my truck? Heres the connector: Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500

06-26-2019, 01:19 PM	#6
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 The only discrepancy I see is my truck uses pin 36 instead of 33, but they appear to have the same function. Here is the truth table: Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500

06-26-2019, 01:20 PM	#7
Second Series Registered User Join Date: May 2015 Location: Tukwila Washington Posts: 378	Re: 1947 Panel Truck Frame swap with ’88 k2500 From this I came up with this diagram. I think it will work. Attached Images __________________ '47 Panel to '88 K2500 Frame Swap Mechanical Speedometer Drive Solution 1947.2 1 ton Chevy Panel 1955.2 Chevy 6700 Bus/RV 1990 Chevy K1500



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