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-   -   Help with firewall hole? (https://67-72chevytrucks.com/vboard/showthread.php?t=609098)

fun in dirt 12-23-2013 05:38 PM
Help with firewall hole?
 
1 Attachment(s)
What came out of this hole?
Been searching old threads & don't see this hole in several firewalls.
It's on a '89 one ton cab that had throttle body 350 & a/c.

bigd65 12-23-2013 07:00 PM
Re: Help with firewall hole?
 
WAS, where the ELECTRONIC SPARK CONTROL MODULE WIRING went through the firewall

fun in dirt 12-23-2013 07:07 PM
Re: Help with firewall hole?
 
Cool thanks!

joe231 12-23-2013 07:56 PM
Re: Help with firewall hole?
 
87-91 that hole is for the Fuel injection system ECM (computer) wiring.

bigd65 12-23-2013 11:15 PM
Re: Help with firewall hole?
 
That to , the older news with the ESC system went through the very same hole

Big Port Jimmy 6 12-24-2013 12:28 AM
Re: Help with firewall hole?
 
I covered the one in mine with a deadbolt block off plate from Lowes. Fit perfect.
Jay


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