code 24 1989 gmc 1500 sierra
I have a code of 24 on a 1989 GMC 1500 Sierra. Any good ideas on where to look. I have replaced ecm, pigtail on transmission speedometer gauge.
I have a code of 24 on a 1989 GMC 1500 Sierra. Any good ideas on where to look. I have replaced ecm, pigtail on transmission speedometer gauge.
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