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Vehicle make/model = olds bravada
Year = 1998
Mileage = 12000
Engine size = 4.3
dash lights = no
codes = no
work done prior = new fuel pump
work done to repair = replaced fuel pump new plugs cap rotot
tech = jk
question = got new fuel pump under warranty still would not start put
plugs in still would not start put cap and rotor started up ran good
drove it around shut it off now the gauges all go down like they are
grounding out
while cranking won`t start again I am thinking of buying this truck
from my buddy can you help?






JK:
Sounds like all these things are related to an electrical problem. By what
you describe - especially with the gauges problem, it sounds like an ignition
switch problem. The ignition switch fials internally and does not supply
correct or any voltage to several different systems, including the ignition
and/or fuel system, as well as the gauges. you can try to cycle the ignition
switch very quickly several times and see if that helps, or remove the lower
steering coilmn cover and wiggle the harness of the ignition switch and tap
on the switch. This will sometimes give an indication of an ignition switch
problem.