Re: 1990 No Crank
The vacuum pump should cycle on and off making that noise. If it doesn’t turn off for at least a few seconds you have a vacuum leak in the Secondary circuit.
As mentioned do a search on “No start”, not uncommon. Also check the stickies under the “Solutions” thread. Lots of good info. It’s most likely the starter solenoid contacts. There is also a mod to add a relay on 90’s to help that situation.
H
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90'ZR-1 #1461 Red/Black
Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold
08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold
05 C6 Z51 Red/Black Sold
90'ZR-1 #1723 Black/Gray Sold but not forgotten
91' Z51 L98 White Vert. My First, you always remember your first. Sold.
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