RetroAntenna GM 88-98 Truck Complete Antenna Installation Guide GM 88-98 Antenna GuideDownload Was this article helpful? Yes No Related Articles Enhanced Amplified Hidden Antenna (WPA2) Enhanced Amplified Hidden Antenna (WPA1) Antenna Installation Guide DAB+ Antenna Adapter (DAB1) Power Antenna (PA02, PA04) Power Antenna (PA01, PA03)