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1970-1995 Range Rover Classic
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10 Posts
Discussion Starter #1
Lord Nelson has pulled a temper tantrum and refuses to start. Battery is new (Optima).
Last time it did so I clean the ground cable contact at coil and it started.
This time I went all the way replaced coil, checked dizzy electronic plate ( ohms ok), replaced ignition amp anyway
replaced also condenser on the + side.
Checked fuel pump and replaced it with new unit. Tested new unit using spare battery to pressurize system. Hooked up
pump and replaced pump relay under seat.
However no sparks from new coil.
Decided to verify all electric connections per service manual.
Main relay (2) (red stripe one and new Taiwan) appear to be dead (will not click).
However, relay base has power in both sockets (30 and 86) with ignition off. I should get power only with ignition on in 86.
ECU plug after voltage test (19) has no power with ignition on.
Appear to have a short somewhere or I must have missed something.
Any suggestions ?
 

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1970-1995 Range Rover Classic
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10 Posts
Discussion Starter #3
Cap and rotor were not replaced since they are new.
Issue lays with the main relay. It appears that the Taiwan version of the bosch unit is bad. It will not click under power applied to terminals 85, 86.
Will try yo get one at the local NAPA.
 

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1970-1995 Range Rover Classic
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342 Posts
never assume the distributor rotor is good, plenty of dead on arrival units
 

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Registered
1970-1995 Range Rover Classic
Joined
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10 Posts
Discussion Starter #5
I must admit that you were correct. I exchanged the "new" rotor with the old one that I had replaced at the last tune and bingo Lord Nelson roared to life. I want to thank all for the comments.
And...more electric gremlins have popped.
I have decided to clean and deletic grease all electrical connections (fuses and relays).
After all the Range is 27 years old and it is not utilized on a regular basis. Oxydation appears to be an issue.
 

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Registered
1970-1995 Range Rover Classic
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342 Posts
good idea to carry an extra rotor arm around.

the TRW/lucas labelled ones seem to have had a bad batch. i’d get a facet
 
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