Heavy knocks on the starting motor
No crank
did you first try a live hot jumper cable crank? off a live donor car.
AAA Tow style.?
USING REAL JUMPER CABLES, not china tin foil?l
that be first. ok it always cranks , that means the battery is dead, not charged,or the alternator is shut down or you have phantom drains.
if the battery known good, and charged
we can hotwire the starter, if that works the starter is good.
if not bad.
if it hot wires ok that means the key line is dead.
this is how this is done,
if key line dead, wiggle that silly slushpump shifter lever or try cranking in neuTRAL.
OR HIT STARTER CASING WITH HAMMER 3 TIMES(3 FOR LUCK) CRANK NOW.?
THIS WORKS ON ALL AT CARS.
MY CAR: (X3)
m/t CAN PUSH START, IT , AND GRAVITY START IT.
AND SHORT THE CLUTCH SWITCH TO FIX BAD KEY LINE;.
If all this ok the ignition switch can be bad, or bad power distribution can not teach in 1min.
If the engine has no spark, check for
voltage at the coil positive terminal when the ignition key is on. If NO
voltage, then problem is on the trigger side of the coil (pickup, crank sensor,
ignition module or primary wiring circuit).
But If there is NO voltage at the coil
itself, then in that case the problem is on the supply side (the ignition
switch or ignition wiring circuit).
But if the coil has voltage, then problem may be a bad high voltage output wire from the coil to spark plugs or hairline cracks in the coil output tower.------Getting this all possibilities checked will point towards the exact faulty part which is to be replaced.----------This should help.Thanks.Helpmech.
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