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haminator · 06-06-2014, 11:49 AM

good score non the less. I've had 2 GMC's that didn't have a SPID or even signs of one on the glove box. In the 67 I found the option sheet behind the carpet that covers the gas tank because of the buckets. you may look there, also maybe under the carpet or rubber mat. The 68 I traded off before I could look around for the option sheet. wonder if 67-68 GMC's used a SPID on the glove box?, Anyone know?

06-06-2014, 11:49 AM	#21
haminator Registered User Join Date: Sep 2009 Location: Prescott Valley AZ Posts: 345	Re: Oddball 1968 GMC good score non the less. I've had 2 GMC's that didn't have a SPID or even signs of one on the glove box. In the 67 I found the option sheet behind the carpet that covers the gas tank because of the buckets. you may look there, also maybe under the carpet or rubber mat. The 68 I traded off before I could look around for the option sheet. wonder if 67-68 GMC's used a SPID on the glove box?, Anyone know?