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’84 was the last year of the Duraspark IIRC. Those were reliable and either worked, or didn’t. If you are sure beyond doubt you’ve got good ground connections, check the ignition switch. The only other ground on the D/S I can think of is in the distributor itself and has nothing in common with the blower or lights.
A quick test might be as simple as running a jumper wire from the major components (engine block/body/battery)then starting the engine and turning the lights on. If it continues to run, it most definitely is a faulty ground.
Another quick test can be run with a timing light. Start the engine and hook the lead to the coil wire,turn the lights on while watching the strobe. If the strobe quits slightly before the engine dies, it is an ignition failure. If the strobe flashes while the engine dies, look elsewhere…
Originally purchased for Isuzu head bolts, Snappy’s S6018 is ideal for Toyota differential plugs!
Sockets & wratchets
Diagnostic stuff
Knuckle busters
Screwdrivers & pliers
Helper
Originally purchased for Isuzu head bolts, Snappy’s S6018 is ideal for Toyota differential plugs!
Sockets & wratchets
Diagnostic stuff
Knuckle busters
Screwdrivers & pliers
Helper
My first guess would be a bad ground. Ya wouldn’t think so since the lights work and the engine runs, but my gut tells me the ignition module cannot ground itself while the lights are on. Check all the easy grounds on the fender & top side first…
My first guess would be a bad ground. Ya wouldn’t think so since the lights work and the engine runs, but my gut tells me the ignition module cannot ground itself while the lights are on. Check all the easy grounds on the fender & top side first…
I have an ’04 4Runner and did the same work/service to it. Eric, you measured the fluid drained from the transmission and I did too. My experience was waaayy different in that the unit had been overfilled -bet it drained a gallon from the overfill plug alone- and what came out looked like hydraulic fluid. There was no “off” smell, and the pan & magnets were remarkably clean for a towing rig with 90k on it. The T case was perfect as were the front & rear diffs (except I had to get a little Western with the front drain plug)
In the end only 4 1/2 qts of WS went back in. I chose not to guess by overfilling, and for whatever reason I could not command the 4Runners computer to give me feedback at the desired temp for a final check…
Any suggestions appreciated
Pat
I have an ’04 4Runner and did the same work/service to it. Eric, you measured the fluid drained from the transmission and I did too. My experience was waaayy different in that the unit had been overfilled -bet it drained a gallon from the overfill plug alone- and what came out looked like hydraulic fluid. There was no “off” smell, and the pan & magnets were remarkably clean for a towing rig with 90k on it. The T case was perfect as were the front & rear diffs (except I had to get a little Western with the front drain plug)
In the end only 4 1/2 qts of WS went back in. I chose not to guess by overfilling, and for whatever reason I could not command the 4Runners computer to give me feedback at the desired temp for a final check…
Any suggestions appreciated
Pat
